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Your search returned over 400 essays for "Calcutta Chromosome"
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Antropologists and The Y-Chromosome Variation - Y-Chromosome Variation Other genetic markers anthropologists can use to track the potential migration history of indigenous people in the Americas are the uniparentally inherited genetic materal: Y chromosomes and mitochondrial DNA. Mitochondrial DNA (mtDNA) is inherited from a mother to all her descendents while the Y chromosome is paternally inherited. The similar mode of inheritance between mtDNA and the Y chromosome allows anthropologist’s to pick either marker and hold to a high degree of certainty that they are seeing a single lineage into the past, but mtDNA and Y chromosomes rarely have an identical past or show congruent population variation due to discrepancies in sex variation...   [tags: sex chromosome, dna, rna, ]
:: 16 Works Cited
1360 words
(3.9 pages)
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Mother Teresa: The Saint of Calcutta - ... The Government ACt of 1935 and Constituent Assembly Debates from 1947 to 1950, added a dimension to the ideas about the environment. The assembly debates focused on which of the two governments would administer to what areas of economy and society. The federal government really favored the management of land and other aspects of of human development and only some areas considered central admission. Today, the effects in history since independence can be seen (Environment, Law, and Democracy in India 1,2)....   [tags: smile, saint, teaching, fame, charity] 2232 words
(6.4 pages)
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Mother Teresa of Calcutta - Christianity defines a saint as “those sanctified in Christ Jesus and called to be holy, together with all those everywhere who call on the name of our Lord Jesus Christ Lord and ours (Corinthians 1:2)."Mother Teresa was a patron who served the Catholic Church by taking care of the poor and needy. Although she has not been fully confirmed as a saint, many acknowledge her as one, and one of the greatest. Mother Teresa of Calcutta was born on August 26, 1910 in, Üsküp, Kosovo Vilayet (now known as Skopje, Republic of Macedonia), under the name Agness Gonxha Bojaxhiu....   [tags: Jesus Christ, Christianity, biography]
:: 6 Works Cited
1050 words
(3 pages)
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Taking a Look at Mother Teresa of Calcutta - Christianity defines a saint as “those sanctified in Christ Jesus and called to be holy, together with all those everywhere who call on the name of our Lord Jesus Christ Lord and ours (Corinthians 1:2)."Mother Teresa was a patron who served the Catholic Church by taking care of the poor and needy. Although she has not been fully confirmed as a saint, many acknowledge her as one, and one of the greatest. Mother Teresa of Calcutta was born on August 26, 1910 in, Üsküp, Kosovo Vilayet (now known as Skopje, Republic of Macedonia), under the name Agness Gonxha Bojaxhiu....   [tags: saints, biographical analysis] 566 words
(1.6 pages)
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Understanding the Y Chromosome - Y chromosome, the smallest chromosome of the karyotpe, is one of the two sex chromosomes. In 1905, Nettie Stevens identified that Y chromosome is a sex-determining chromosome, while conducting one study of the mealworm Tenebrio molitor. He also proposed that chromosomes always existed in pairs. In 1890 Hermann Henking discovered that Y chromosome was the pair of the X chromosome. All chromosomes normally appear to take on a well defined shape during mitosis when seen under microscope. This shape is vaguely X-shaped for all chromosomes....   [tags: science, DNA, gender, biology]
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2891 words
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The Structure of Chromosome and the Influence of Epigenetic Factors - The Chromosomal Theory of Inheritance, proposed by Walter Sutton and Theodor Boveri in 1902-1903 is considered a landmark in the science of genetics (Martins, 1999). The theory established chromosomes as the carriers of hereditary information (genes). It also implied that chromosomes (and not genes) undergo segregation and independent assortment as proposed by Gregor Johann Medel (1865-1866) in his Laws of Inheritance. A chromosome can contain more than one gene(s). Although the contemporary scholars were highly skeptical of this idea, Thomas Hunt Morgan (1915), showed linear arrangement of genes in chromosomes providing a convincing evidence for Sutton-Boveri’s work....   [tags: transgenerational inheritance]
:: 20 Works Cited
991 words
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Down Syndrome Chromosome Twenty One - Down Syndrome Chromosome Twenty One Down syndrome affects one out of 700 children born in the United States. A chromosomal disorder associated with the twenty first chromosome pair, brings a lifetime of challenges to the affected person. Down syndrome is associated with intellectual disability, a characteristic facial appearance and reduced muscle tone during infancy as stated by Genetics Home Reference (2013). There are three different scenarios in which Down syndrome can occur. Down syndrome typically occurs as the result of having an extra twenty first chromosome....   [tags: genetics, trisomy 21]
:: 2 Works Cited
923 words
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The Association Between Austism Spectrum and the Y Chromosome - Due Date: Monday, the 5th of May 2014 THE ASSOCIATION BETWEEN AUTISM SPECTRUM DISORDERS AND Y CHROMOSOME – A GENETICS LITERATURE REVIEW Introduction Autism arises at embryonic period and proceeds for a life time of a patient. Symptoms of autism spectrum disorders (ASD) are the weakness in communication, perceptual disorder, mental deficiency, tendency to isolate themselves from other people and repetitive behaviors. Obvious evidence was achieved from many previous genetic researches that genetic factors have a major effect on the autism disorders....   [tags: neurocognitive development, genetic mutation]
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1152 words
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Researching Uses for Chromosome Probes - Researching Uses for Chromosome Probes Sensitive chromosome probes recently discovered by a University geneticist will make it easier to detect certain types of genetic and prenatal diseases, as well as being used to determine paternity and provide forensic evidence in criminal cases. Probes are short pieces of DNA which bind to, and actually pinpoint, particular sites on a chromosome. Because these new probes are actually repeated hundreds or thousands of time at a particular site, they are much more sensitive than previously available ones....   [tags: Papers] 548 words
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The Path to the Chromosome Theory of Heredity - The Path to the Chromosome Theory of Heredity The notion of the chromosome theory of heredity is very important to the understanding of evolution and genetics. There were many ideas, some correct and others not, which influenced the revolutionary discovery of chromosomal heredity. The main stones in the path to the chromosomal theory are the pangenesis hypothesis, the germ-plasm theory, and Mendel’s Laws. Pangenesis Lamarck expressed the idea that by simply using or not using certain organs they may be developed or atrophied and their offspring can then inherit these acquired characteristics....   [tags: History Science Biology Essays]
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2617 words
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Chromosome replication - Precise chromosomal DNA replication during S phase of the cell cycle is a crucial factor in the proper maintenance of the genome from generation to generation. The current “once-per-cell-cycle” model of eukaryotic chromosome duplication describes a highly coordinated process by which temporally regulated replicon clusters are sequentially activated and subsequently united to form two semi-conserved copies of the genome. Replicon clusters, or replication domains, are comprised of individual replication units that are synchronously activated at predetermined points during S phase....   [tags: essays research papers] 525 words
(1.5 pages)
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Can Two Y Genes Replace the Y Chromosome in Mice? - Can Two Y Genes Replace the Y chromosome in Mice. The Y chromosome is important in any kind of reproduction because it determines if you’re going to be a male or female. The article claims that live mouse descendants can be created using germ cells from males with the Y chromosome to two genes. The SRY gene is called the sex determining region because it has instructions to make a transcription factor and develops as a male. The Y chromosome gene is required to drive mouse sperm cells to cause mitosis in a cell allowing formation of haploid germ cells assisted in reproduction....   [tags: animal test, dna] 994 words
(2.8 pages)
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The Life of Mother Teresa - ... At the age of twelve while she was praying she heard the voice of God calling her to Him and to the service of her neighbors. To answer God’s calling Mother Teresa decided to become a nun when she got older. In church one day she saw pictures of starving families in small cities around India. She consulted the Father for advice and he said to do what makes her happy, which has always been to help other people. After she heard the advice of the priest, she went to Ireland to become a nun. After two months in the monastery, Mother Teresa left to go to India to join the sisters of Loreto....   [tags: charity, calcutta, hope] 881 words
(2.5 pages)
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The Morals of Silencing Chromosomes - Chromosome silencing has led to a breakthrough in the world of Down syndrome, though it has proven to have multiple moral viewpoints that have come to be associated with it. Down syndrome is one of the most frequently occurring genetic disorders in the human population. Statistically, the chance of delivering a child with Down syndrome rises as the mother grows older. “Researchers now realize that older mothers have more babies with DS because the frequency of meiotic nondisjunction increases in women with age” (O’Conner, 2008)....   [tags: Down Syndrome, Genetic Disorders]
:: 14 Works Cited
1260 words
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Personal Narrative: My Role Model is Mother Teresa - ... She saved so many lives in Calcutta. She understood the pain of others who lived with misery every day and worked to help them. In 1979, she received the Nobel Peace Prize for “ The most wretched have received compassion without condensation.” Looking at what Mother Teresa did for others, I wish I could be just like her. I wish I could be just as compassionate as she is and look at life positively. Mother Teresa always thought about others than herself. In Calcutta, she once took a woman, half eaten by ants and rats to a nearby hospital, but the doctors refused to take care of her....   [tags: calcutta, caring, selfless, and a risk taker] 588 words
(1.7 pages)
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Sex Chromosomes - The mechanisms responsible for the origin and maintenance of large non-recombining regions on sex chromosomes have been mostly studied in plants and animals, but the recent discovery of similar features on the fungal chromosomes carrying mating type genes in several species may shed new light on this phenomenon (Fraser et al. 2004). Sex chromosomes in plants and animals have evolved from an autosomal pair by the expansion of the non-recombining region around complementary genes determining sex-specific functions (Bergero and Charlesworth 2009)....   [tags: Biology, Heterothallic Fungi] 1709 words
(4.9 pages)
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Translocated Down Syndrome - Translocated Down Syndrome Translocated Down Syndrome is genetically passed on from a parent’s gene to its child (Clinical Key, 2012). In this paper we will look at a short description of what Down syndrome really is, the genetic causes of Translocated Down syndrome, symptoms, characteristics, medications, intervention programs and testing for Down syndrome while an infant is still in the womb. The effects of Down syndrome are caused by an extra chromosome. “a genetic disorder, associated with the presence of an extra chromosome 21” (Dictionary.com, 2014)....   [tags: extra chromosome]
:: 11 Works Cited
950 words
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Chromosomes and Life Cycles - Chromosomes and Life Cycles Chromosome Structure All cells contain a nucleus that has a membrane around it. Inside the nucleus are chromosomes. The chromosomes are made from a molecule called deoxyribonucleic acid - which is commonly known as DNA. DNA is a very long molecule, so long in fact that the DNA from just one person is long enough to stretch all the way to the moon. Reading this it would be hard to understand how DNA could fit into our cells, but this problem is overcome due to it being highly coiled to make it much shorter, and is also divided into lengths called chromosomes....   [tags: Papers] 1124 words
(3.2 pages)
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Translating Dosage Compensation to Trisomy 21 - Down syndrome is common within the United States. According to Gould and Dyer (2011), Down syndrome is an example of trisomy due to there are three chromosomes that are present versus two in the 21 position. Meaning, people with Down syndrome have a total of 47 chromosomes instead of the original 46. The body is marked by the effects of Trisomy 21. The effects of Trisomy 21 can lead to defects of physical and mental development. Down syndrome was at first also called monogolism, but now it is more commonly known as Down syndrome....   [tags: chromosome, development, factors, activities]
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798 words
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Parents and Children with Birth Defects: Down Syndrome - Down Syndrome Every parent claims that they will console their newborn with love and affection under any conditions. But inspite of what they may say, they are still worried. After all, there have been several situations with birth defects that have caused years of frusturation and difficulties. No parent wishes for their own child to be born with a genetic mutation, but even as this is true, several children are born with it. “Down syndrome, which is a genetic condition, occurs in one in every 691 births”(Laney 5)....   [tags: chromosome 21, genetic mutation]
:: 7 Works Cited
944 words
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Down syndrome: A Genetic disorder - Down syndrome: A Genetic disorder Each year in the United States, about 13 out of every 10,000 babies are born with Down syndrome, also called trisomy 21 (Johnson). Being the “most common chromosome disorder and genetic cause of intellectual disability”, Down syndrome equally affects males and females as well as all different races (Johnson). In other words, Down syndrome does not show any preference for a specific gender or race. Unfortunately, those who are affected by Down syndrome experience a number of problems throughout their lives which limit their quality of life and health....   [tags: trisomy 21, chromosome disorder]
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972 words
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Human Speech and the FOXP2 Gene - This is my report on evolution of speech and main responsible gene, which is called FOXP2. (Figure 1 – FOXP2 protein) Foxp2 gene has found in 7q31 choromosome and it encoding protein of 715 amino acids - Forkhead box protein P2 , which is transcription factor. Forkhead box protein P2 have a forkhead-box DNA binding domain and which makes this protein one of the members of FOX family of transcription factors. As we know transcription factors are regulating gene expression in different types of organ-systems, such as lungs, guts and hearth....   [tags: chromosome, foxp2 gene, language]
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910 words
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The Effects of Angelman Syndrome on Behavior, Cognition, and Development - Angelman Syndrome is a genetic disorder that affects the nervous system. Angelman Syndrome, also known as AS, affects behavioral, cognitive, and developmental functions of children, but most symptoms are not seen till later in the child’s life (Williams et al.). In 1965, Harry Angelman, a British physician, studied 3 children with similar conditions. He noted many parallel features in these children. The original term for Angelman Syndrome was “Happy Puppet”, but in 1982 the term Happy Puppet became viewed as a demoralizing and was concluded that the conditions should be called Angelman Syndrome (Williams & Frias, 1982)....   [tags: symptoms, deletion, chromosome, happy]
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571 words
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Symptoms and Treatment of Human Down Syndrome - Human Down Syndrome As diseases evolves so does humans, in order to eradicate the threats of the tiny world. Dangers such as viruses and bacteria, but humans are one-step forward and develop vaccines and antibiotics. Currently, one disease humans cannot stop is Down syndrome. Down syndrome causes a person to have physical and learning disabilities. Both of these disabilities can be minor to severe. According to World of Health (2000), “physical problems include a small skull, a narrowed or flattened nose bridge, poor muscle tone, and multiple folds beneath the eyes” (para....   [tags: disabilities, chromosome 21]
:: 6 Works Cited
1114 words
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Causes and Types of Color Blindness - Not being able to see the actual colors of an object must be frustrating. Many people suffer from color blindness. Being colorblind has way more than just not being able to see colors. Color blindness happens at birth and there is no cure. There is different types of color blindness and the reasons you can't see that specific colors. There is monochromatism, dichromatism, and Anomalous trichromatism. There is also three other types of color blindness which are Tritanopia/ Tritanomaly (blue-green), Deuteranopia/ Deuteranomaly (red-green), and Protanopia/ Protanomaly (blue-yellow) these are becauses of a missing cone or malfunctioning....   [tags: x chromosome, colors, dichromatism]
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1184 words
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Duchenne Muscular Dystrophy and Its Impact on Communication - “Communication is the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs” (Dictionary.com, 2014). It is expressive and comprehensive. It is a vital part of life, especially for humans since we are social beings. Our muscles, which make up about forty percent of our body, help us accomplish multiple tasks. From yawning to lifting, to dancing, breathing and communicating, muscles help us along the way. Imagine your muscles working less and less and eventually not working at all....   [tags: x-chromosome, muscles, disease]
:: 7 Works Cited
1465 words
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Childhood Cerebral Adrenoleukodystrophy: Working Toward a Cure - Childhood Cerebral Adrenoleukodystrophy, or ALD, affects approximately 1 in 100,000 boys. It is caused by a mutation on the X chromosome. Starting between age 4 and 10, it causes a rapid decline in cognitive ability and function to a vegetative state, and eventually leads to coma and death. Despite the grim outlook, many treatment options are available, from dietary supplements such as Lorenzo’s Oil, to sophisticated operations like bone marrow transplants. With this research, the prognosis for a child with ALD is better than it ever has been before....   [tags: x chromosome, mutation]
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1011 words
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Angelman Disease: Dr. Harry Angleman - Angelman disease was discovered and named by Dr. Harry Angleman in England in 1965. He was observing several children that had the same symptoms that include unusual happiness, no speech, seizure disorders, mental delay, and similar facial expressions. Dr. Angelman described these patients as “happy puppets” or “angles” because of their always happy facial expressions and youthful look. After diagnosing these children as puppet children, he then went on to write a paper about his discoveries. In his paper, there was no cause for the disease because the Dr....   [tags: happy puppets, chromosome 15]
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1006 words
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Jacobson Syndrome: An Overview - Jacobson Syndrome Other names for disorder: 11q terminal deletion disorder 11q deletion disorder Jacobson thrombocytopenia JBS Causes for disorder: Jacobson Syndrome occurs when the genetic material from chromosome 11 is lost. At the end of the long arm (q) of chromosome 11 there is a deletion. Chromosome Affected: Chromosome 11-at the end of the long arm (q) there is a deletion. Are there prenatal tests: Many children are diagnosed with Jacobson Syndrome after birth, but there can be prenatal tests using cytogenic analysis....   [tags: Chromosome, Heart, Transfusion]
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540 words
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Facts on Down Syndrome - ... Prevalence of the Condition Statistics reveal that there is 71 percent increase in the cases of Down Syndrome, in the year 1989-90, the number of cases reported were1,075; while in 2007-8 the number of cases increased to 1,843. One of the main reasons for the increase in the number individuals with Down Syndrome is that women are more career oriented and are starting families later in life. Women of 40 years of age have a 16 percent more chance of having a baby with Down syndrome as compared to a woman of age 25....   [tags: chromosome, age, prevalence, knowledge] 1150 words
(3.3 pages)
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The Effects of Down Syndrome - Down Syndrome: Critically analyze the effects of Down syndrome on people and the support that is available Introduction: An individual who has Down syndrome can be recognized as different from others since he or she have different physical features, but the question is, what causes individuals to have deformed face, little different features than someone who does not have Down syndrome. The reason some individuals are born with Down syndrome is because of an extra chromosome, this chromosome, which carries number 21....   [tags: extra chromosome, awareness] 1043 words
(3 pages)
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Genetic Conditions: Turner's Syndrome - Turner’s Syndrome Turner’s syndrome is a genetic conditions that affects the female’s sex chromosome. In (http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001417/) Turner’s syndrome occurs when cells are missing all or part of an X chromosome. It’s common of the female patient to only have one X chromosome. Although, some individuals may have two X chromosomes but one is defective. It is thought that an estimated 1 out of 2000-2500 females suffer from this genetic condition worldwide but it’s usually females with this condition don’t survive their birth....   [tags: females missing an X chromosome] 807 words
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What Is Cystic Fibrosis? - Cystic Fibrosis A passage dated as far back as 1857 in the ‘Almanac of Children’s Songs and Games from Switzerland’ cautioned that ‘the child will soon die whose forehead tastes salty when kissed’. This theory was proven by Paul di Sant’Agnese in 1953 when he discovered that the salt content of victims of cystic fibrosis sweat was significantly high. With the sweat test being created out of this discovery, the invasive methods of diagnosing people with cystic fibrosis has been replaced and is continuously used as the cornerstone for diagnosing this disease....   [tags: symptoms, chromosome, hereditory disorder]
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780 words
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The Role of Telomere in Humans - Introduction In the 16th century, rumors of the Fountain of Youth had spread like wildfire. The thought of immortality, and everlasting youth had fascinated many old, and young adventurers. Most Eukaryotic organism cells are affected by a biological process known as aging. Effect of aging may include the advent of illness, disease, and ultimately death. Death, this fear of end existence had enthralled many people on the quest for prolonged longevity. Therefore, how do we extend our lifespan. Where is this “Fountain of Youth” ....   [tags: biological aging, Fountain of Youth, chromosome]
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The Cause and Effects of Down Syndrome - The Cause and Effects of Down Syndrome Some people wonder what Down syndrome is. How it is caused, and how it is treated. The causes and effects of Down syndrome is when there is an extra 21St chromosome. The effects include some birth defects and health problems. The physical features are different from someone without Down syndrome. What is Down syndrome. It is a chromosomal disorder caused by an error in cell division that results in an extra 21st chromosome (Crosta). Down syndrome causes problems with a person’s physical growth that vary by how bad it is....   [tags: extra 21st chromosome, birth defects]
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1032 words
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Crossover Control: Homeostasis - Crossover Control: Homeostasis in Yeast Meiosis Control of formation of crossovers for proper chromosome segregation is governed by the crossover – non crossover ratio i.e., crossovers are formed at the expense of non crossovers; better known as the crossover homeostasis. Subject Terms: Meiosis, Crossover Control, Crossover Interference, Crossover Homeostasis Cell division is inevitable for the proper growth and development of any organism. While Mitosis helps in the somatic cell division, Meiosis acts in the germ cell for gametic division or gametogenesis....   [tags: Biology, Chromosome Engeneering] 1651 words
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Structures and Roles of Telomeres - Structures and Roles of Telomeres Telomeres are essential structures in eukaryotic cells. Through repeat nucleotide sequencing of TTAGGG and their six associated protein complexes, they provide a “cap” over the rest of the chromosome, which protects the genetic material contained within the chromosome from instability1. Without the telomere structures, chromosomes are prone to tearing due to the action of nucleases and other damaging components within the nucleus. Torn chromosomes prove to be unstable, often fusing end-to-end or rearranging....   [tags: catallyst, cells, chromosome, telomerase, DNA]
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881 words
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Creativity in Medicine - When the topic of creativity comes up, for most people, the conversation would normally involve art or music. But when I think of creativity, I think of the incredible world of medicine. In this research paper, I argue that creativity isn't just limited to the world of art and literature, but rather it is extremely important even in the medical field. Many advancements have been made in the medical field due to an individual’s discovery or innovative idea. I want to bring awareness to the importance of creativity in the medical field and how it plays a crucial role in the future of medicine....   [tags: innovation, Gleevec, kinase, chromosome]
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Duchenne Muscular Dystrophy - Duchenne Muscular Dystrophy (DMD) is a genetic mutation that is recessive and X- linked. It is located on the ‘p’ arm of the X chromosome (to be more specific, the Xp21 chromosome). DMD is also lethal meaning that the person affected by DMD will die because of it. Because DMD is located on the X chromosome, it mostly affects males. It is immensely uncommon for a female to inherit this gene because her father would have to have DMD and her mother would have to carry the gene. Theoretically, if a mother carries the gene and the father has DMD, there is a 25% chance that if they have a daughter, she will have DMD....   [tags: genetic mutation, x chromosome]
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What is Down Syndrome? - Down syndrome (DS) is caused by a defect in chromosome 21. (Geraldine, 2012) The genetic material located inside chromosomes influences cell growth and function. (Geraldine, 2012) DS children have three copies of chromosome 21 instead of the normal two copies. (Geraldine, 2012) This can cause problems with immune protection, developmental delays, physical deformities, and normal body functions. (Ram, 2011) A diagnosis of DS can have overwhelming effects on both the child and parents caring for them....   [tags: Defect, Chromosome 21, Genetic Material]
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1106 words
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Severe Combined Immunodeficiency Disorder Analysis - Severe Combined Immunodeficiency Disorder (SCID) is a rare condition in which those affected have little to no immune system. This is because “some of the cells in the immune system that fight infections (T cells and B cells) are missing or do not work well” (Puck). As a result, they are extremely susceptible to a wide variety of infections from viruses, bacteria, germs, etc. “There are about 100 different types of SCID (Puck).” The two most common types are X-SCID and ADA SCID. X-SCID is caused by a mutation in the X chromosome....   [tags: scid, immune system, x chromosome, t cells]
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Cystic Hygrom - Cystic Hygroma can be caused by Turner syndrome which is a genetic condition in which a female does not have the usual pair of two X chromosomes. The normal amount of chromosomes in a human are 46. These chromosomes contains DNA and genes which are the bodies building blocks. The sex chromosomes determine whether the baby is a girl or boy. Females normally have two X chromosomes while males have one X and one Y chromosome. With Turner syndrome, cells are missing part or all of an X chromosome. This condition only occurs in females and most commonly they only have one X chromosome....   [tags: turner syndrome, x chromosome]
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1608 words
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Analysis of the Fragile X Syndrome - "Fragile X Syndrome (also called FXS) is the most common cause of inherited mental retardation." (2011, University of Michigan Health System). "The gene on the X chromosome that causes FXS is called the Fragile X Mental Retardation 1 (FMR1) gene. The FMR1 gene makes a protein that is needed for normal brain development." (September 1, 2006. Department of Human Health and Services Center of Disease Control and Prevention.) When this protein is not made, that is when FXS occurs. Fragile X Syndrome is what is called a chromosomal sex-linked trait....   [tags: fmr1, triuncleotide, chromosome x, fragile x]
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Down Syndrome - Karyotype is the characteristic chromosome complements of a eukaryotic species and they are arranged in homologous pairs. There are many abnormal chromosomes and some of them are Turner syndrome, Klinifelter syndrome, Edwards’s syndrome, Down syndrome and Patau syndrome. The abnormal chromosome that I was given was called Down Syndrome or trisomy 21. We could recognize this disease by looking at the Karyotype because a normal karyotype has two- 21 chromosome but in Down syndrome there are three- 21 chromosomes....   [tags: Biology Chromosome Disorders] 374 words
(1.1 pages)
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Symptoms and Diagnosis of Ullrich-Turner Syndrome - Turner’s syndrome (TS) also known as Ullrich- Turner syndrome, is a genetic chromosomal disorder that affects roughly about 1 in 2,000 live born female infants. This disorder is caused by the absence genetic material from one of the sex chromosomes during fetal development, other developmental problems occurs after birth. Sex chromosomes are: X and Y, which are responsible for developing either (XY) male or (XX) female. A male fetus inherits the X chromosome from his mother and the Y chromosome from the father....   [tags: sex chromosomes, treatments, hormones] 594 words
(1.7 pages)
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Down Syndrome - Down Syndrome People with Down syndrome are first and foremost human beings who have recognizable physical characteristics due to the presence of an extra chromosome 21. The estimated incidence of Down syndrome is between 1 in 1,000 to 1 in 1,100 live births. Each year approximately 3,000 to 5,000 children are born with this chromosome disorder. It is believed there are about 250,000 families in the United States who are affected by Down syndrome. Children with Down syndrome are usually smaller, and their physical and mental developments are slower, than youngsters who do not have Down syndrome....   [tags: chromosome disorders mental retardation] 902 words
(2.6 pages)
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The Completion of the Human Genome Project - Genetics began with the Gregor Johann Mendel’s work with pea plants in 1866. Mendel described what is known as Mendelian Inheritance. Genetics in medicine began with the rediscovery of Mendel’s laws of inheritance early in the 20th century. During the next 100 years, medical genetics grew to become a recognized medical specialty, which encompasses important components of diagnosis and treatment of many diseases. Genomic medicine pursues to implement a large-scale analysis of human genome, includes analysis of the gene expression regulation, human gene variation, and interactions between genes and the environment, to advance medicine....   [tags: medicine, dna, chromosomes] 605 words
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Causes and Effects of Down Syndrome - Humans are more like the X-Men then they have ever dreamed possible. Studies show that each and every single human in our species have more than two hundred mutations weaved in and out of our DNA. A genetic mutation is a perpetual change in the DNA sequence that makes up a gene. These mutations can occur in two different ways; they can be acquired during one’s lifetime or they can be inherited from one’s biological parents. Some mutations are absolutely harmless; these are the mutations that take up most of the typical human’s body....   [tags: mutation, chromosomes, health] 1107 words
(3.2 pages)
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Advantages to Karotype Testing - The set of chromosomes that an individual has is called the person’s karyotype. A karyotype test is one of the many important tests performed when determining a person’s gender. This test is done by collecting genetic information about a person including their chromosomes. Examining these chromosomes through karyotyping allows determining whether there are any abnormalities or structural problems and also if the person is male or female. A human has 23 pairs of chromosomes. Twenty-two of these pairs, are called autosomes, and they look the same in both males and females....   [tags: gender, abnormalities, chromosomes] 618 words
(1.8 pages)
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Does Down Syndrome Increase the Chances of Developing Leukemia? - ... According to the agency of Toxic Substances and Disease Registry, despite the fact that petroleum products contribute to the majority of benzene in the atmosphere, half of the total national exposure comes from cigarette smoke. So if out want to decrease the risk of getting AML in your later years try and not smoke to help yourself. Other cases that are risks to get AML are following treatments with chemotherapy and radiation therapy from other cancers.( Howlader 2010) Some sign and symptoms that you may be developing AML are a low platelet count which can cause patients to bleed....   [tags: chromosomes, cancer, genetics] 1106 words
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Various Phases that Make Up the Cell Cycle - The two main phases that occur during a cell cycle are interphase and mitosis. During most of a cell cycle, the cell spends a majority of its time in interphase resting in the cell cycle. Within interphase, the cell goes through 3 phases; 2 growth phases and DNA replication. During Interphase the cell goes through its first gap phase (G1). During G1 protein and RNA synthesis occurs so that the cell can grow and mature. (Cooper, Geoffrey M) G1 is very important because it controls the rate at which the cell grows and develops....   [tags: chromosomes, mitosis, interphase]
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Gender Roles in Y: The Last Man by Brian K. Vaughan - Women and men have equally played their roles since the evolution of the human race. Roles such as housewives, mailmen, doctors, and policemen have kept the society we live today in equilibrium. Men have initially been a dominating species so to think a world without men could survive is doubtful. Y: The Last Man, a fiction comic written by Brian K. Vaughan is about a man named Yorick Brown and his monkey and how they survive a plaque which terminated every male mammal on earth. This comic revolves around Yorick and how he faces various obstacles to save mankind....   [tags: chromosomes, men, extinct]
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The Struggles Faced by Students With Down Syndrome - Children with Down syndrome have a hard time in life. The effects on them, makes their life a struggle. Down Syndrome is a chromosomal abnormality and probably the most common genetic condition, occurs in about one in every eight hundred to one thousand live births or accounts for about 5 to 6 per cent of intellectual retardation. Down mainly affects their learning, social, walking, talking, dressing themselves and being toilet trained and behavior. Initially, Down's syndrome was given the label of Mongolism due to the characteristics of it....   [tags: chromosomes, hearing, social] 661 words
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The Role of Genetics on Development - Human beings are born, formed and changed from one generation to the other through genetics. When a child enters the world, there is always a lot of excitement and uncertainty as which parent will the baby look like. Genes of the both parents determines the physical makeup of a child and therefore, genetics plays a very big role in human development. Genetics chromosomes are distributed equally by the parents to the child and they play a big role in the development of the child. Genes determines the development of a fetus inside its mother’s womb and outside of the mother’s womb....   [tags: chromosomes, passed, children, parents]
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Could Telomeres Be the Answer to Cancer and Aging in Cells - Inside the nucleus of our cells, our genes are on double-stranded molecules of DNA called chromosomes. At the top and bottom of the chromosomes are fragments of DNA known as Telomeres which defend our genes, give us the ability for our cells to divide, and hold secrets to how we age and how we get cancer. Telomeres are like the ends of shoelaces (because they keep the chromosomes’ ends from fraying). But when a cell divides, the Telomere gets smaller and shorter. When they get too short, the cell can’t divide....   [tags: DNA. chromosomes, telomeres]
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Understanding Fragile X Syndrome - Fragile-X Associated Disorders Information and facts for families, patients and health care providers. How common is Fragile X. Fragile X syndrome is the most common inherited cause of intellectual disabilities and the most common known cause of autism. Fragile X affects 1 in 4000 males and 1 in 6000 females. About 1 in 259 women carry fragile X. About 1 in 800 men carry fragile X. Carriers do not show symptoms of Fragile X syndrome, but they may be at risk for related disorders such as Fragile X-associated Tremor/Ataxia Syndrome (FXTAS) and Primary Ovarian Insufficiency....   [tags: intellectual disability, chromosomes] 822 words
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Living With Down Syndrome - There are many different types of children with a myriad of needs in our school system. Included within this group of students are those who are diagnosed with Down syndrome. There are more than 250,000 people living in the United States with a Down syndrome diagnosis (Genetics). Down syndrome is not a hidden disability rather it has physical attributes that can make the diagnosis obvious. Furthermore, individuals with Down syndrome and their families have to cope with multiple health issues, cognitive limitations, and the stigma of having a disability....   [tags: syndrome diagnosis, mongolism, chromosomes]
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The Astounding Facts of Life’s Greatest Miracle - After viewing life’s greatest miracle I was shocked on how much work there is involved on creating a healthy child. Yes, I know any two people can be involved in this process, but it is all amazing on how a child is born. Anyone who has given birth knows it also consist of a lot of hard work in the delivery room as well as the years to follow. A child is a miracle given to us from God and the video shows all the stages in great detail and explains the process in steps anyone can understand. One fact I learned from the film is that our human bodies want to make babies even if we do not....   [tags: birth, chromosomes, egg] 667 words
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Occurrences or Events that Cannot be Explained Using the Rules of Genetics - Every good scientist needs background information and research before studying the mysteries of science. In this case when researching Epigenetics, it is vital to understand the basic structure of DNA and the roles of genes and chromosomes. DNA is assembled as a Double Helix [Figure 1], meaning two parallel helices (a three dimensional shape like a spiral) twisted or interlaced around the same point. The DNA’s ‘Outer Walls’ are made of alternating phosphates and sugars. The base pairs found in DNA are composed of Adenine, Thymine, Guanine, and Cytosine [Figure 2]....   [tags: epigenetics, dna, chromosomes] 681 words
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Genetic Disorders: Duchenne Muscular Dystrophy - Duchenne Muscular Dystrophy is an inherited genetic disorder that consists of extreme muscle weakness, which rapidly worsens, and over time leads to death. Young newlyweds, Molly and Brent are seeking information on the health of their possible children. Molly’s younger brother, Hunter, has Duchenne Muscular Dystrophy, he suffers and is confined to a wheelchair due to this genetic disorder. Molly and Brent want research done on behalf of their future kids, so they can understand the risk they are taking in having children....   [tags: symptoms, diagnosis, x chromosomes]
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Sex Determination in Mammalian Embryos - Sex determination in mammalian embryos is the process by which an embryo is determined, at the cellular level, to become a male or female. At fertilization, a zygote will receive either an X or Y-chromosomes from the father’s sperm to accompany the X chromosomes given by the mothers egg. It is at this point that a zygote can be said to be male or female. However, the development of male or female sex organs is not determined until later in the sixth to seventh week of development. Genetics plays a significant role in sex determination, providing many gene loci that assist the process of cell determination and organ development....   [tags: Primary Sex Determination, Sex Chromosomes]
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Cancer: The Virulent Disease - An ordinary human body contains approximately one trillion cells and precisely 46 chromosomes in each cell. However, the human body can be altered by a genetic mutation. Over the course of history, genetic mutations have had a large impact on the human race. They have brought harm to numerous amounts of people. Cancer, in particular, is one of the most lethal diseases. Cancer begins when a portion of DNA inside a chromosome is damaged, causing a cell to mutate. Then, the mutated cell reproduces multiple times and creates a tumor....   [tags: Cancer, tobbacco, chromosomes]
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DNA Sequences Occurs at Many Scales within Genomes Discussion - Today it is widely believed that there are two fundamental ways in which genomes evolve; namely evolution by (1) duplication of pre-existing regions of DNA within the genome and (2) lateral gene transfer. (Brown, 2002), (Zhaxybayeva & Doolittle, 2011). The focus of this essay will be on DNA duplication, its occurrence, and it’s consequences in genomes at a molecular and organismal level. DNA duplication refers to the process by which a region of DNA already present in an organism’s genome is duplicated in that organism....   [tags: chromosomes, dna duplication, genome evolution]
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Biology: Cell Division Cycle - Change is constant throughout all living things and that is particularly true when it comes to biology and in particular cell-division cycle. All organisms are constantly dividing and growing throughout their life time. The cell-division cycle in eukaryotes is a complex process that involves cyclins, cdks and multiple checkpoints that eventually lead to cell division. There are two different types of cell division which are Meiosis and Mitosis. Meiosis is the type of cell division which involves gametes or sex cells that are involved in sexual reproduction....   [tags: mitosis, tumor, chromosomes]
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Rare Disorders: Causes of The Lesh-Nyhan Disease - Lesch-Nyhan Syndrome (or disease), I believe the term is used interchangeably, is a rare disorder that is carried by mother and passed to son, and occurs because of a deficiency of the enzyme called hypoxanthinine-guanine phosphoribosyltransferase (HPRT) [3]. It usually occurs in males and also has a high risk factor for gout because of the metabolic defect associated with the overproduction of uric acid [1, 2]. Uric acid is a waste product which is found in the blood and urine. Any excess uric acid can be released in the blood and can also build up under the skin, which in turn, can cause gouty arthritis or kidney and bladder stones [2]....   [tags: gene deficiency, X chromosomes, HPRT]
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Description of Duchenne Muscular Dystrophy - Description of the Disorder Duchenne muscular dystrophy is a genetic disorder that is characterized by progressive muscle degeneration and weakness. It is caused by a mutation of the DMD gene that can be inherited through transmission of an X-linked recessive gene. DMD codes for the muscle protein, dystrophin. As a result, people who are affected with this disorder are not able to make this protein in their muscles, causing them to become weak and not function properly (NHGRI, 2014). This disorder moves quickly throughout the body and rapidly gets worse....   [tags: genetic disorder, mutation, x chromosomes]
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Tay- Sachs Disease - Tay- Sachs is a genetic disease that is located on chromosome 15. It occurs when the body lacks a protein that helps break down nerve tissues. It was discovered by Dr Waren Tay, and Dr. Bernard Sachs. Dr. Bernard Sachs, a neurologist, uncovered the first description of the cell changes in Tay- Sachs. He also discovered the pattern of the possibility that Tay-Sachs could be passed down through family links, more commonly (at the time) of those in the eastern Jewish population. In 1881 Dr. Waren Tay, who was an ophthalmologist, discovered a bright, cherry red ring on the retina of a patient’s eye....   [tags: chromosomes, disease, nerves] 558 words
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DNA in Forensics - ... They must always wear gloves, mask, and use disposable instruments. This help prevents the DNA being contaminated, to where it would not be useable. The collected samples must be bagged and label in envelopes but not plastic bags. Plastic Bags retain moisture that will damage DNA, another reason why DNA must be protected and label is that direst sunlight and weather condition may damage DNA. To further help protect the collect DNA, chain-of-custody is set up to transport collected evidence to be analyzed....   [tags: works, chromosomes, cell, genetics]
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Sex Determining Region Y - Sex Determining Region Y In mammals, the X and Y-chromosomes determine the sex of an organism. If a mammal is homologous XX than that mammal will be female and if the mammal is heterozygous XY that individual will be male, assuming no mutations. What is it about the Y chromosome that dictates the male sex. On the short arm of the Y-chromosome is a region called the sex-determining region Y or SRY that codes for transcription factor “sex-determining Y” protein in mammals. In 1991, the function of SRY was revealed to be the sex-determining gene in mice that was responsible for testes formation....   [tags: x and y chromosomes, mammal, genes]
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Cri Du Chat Syndrome Description - In 1963, Lejeune et al. introduced Cri du Chat (CCS), a rare genetic syndrome that results from a partial or total deletion on the short extension of the 5p (5p15.1—5p15.3) chromosome. This chromosomal loss results from a “de novo” mutation (parents have a normal karyotype) and causes altered brain development, resulting in microencephaly and delayed psychomotor development (Mainardi, 2007). Though CCS is rare, it is one of the most prevalent chromosomal deletion syndromes (i.e. incidence is 1:15,000 to 1:50,000 live births) with slightly more females being affected, but with no significant differences pertaining to race or geographic area (Rodriguez-Cabalerro, 2010)....   [tags: genetic syndrome, 5p chromosomes, jerome lejeune]
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genetic mutations - Genetic Mutations Introduction A genetic mutation is a permanent change in the sequence of the DNA that makes up a gene. A mutation of these sorts can be caused by either inheritance from the parent or caused sometime during the life of someone. The mutation that has been inherited is called a germline mutation. Germline mutations affect virtually the entire body, and they seem to be present in every cell. A somatic mutation, or one that is caused in the DNA of a single cell sometime during the life, can be caused by an environmental factor or a wrong bonding in the DNA molecule....   [tags: Chromosomes, Environmental Factors]
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Argument that Autism is Characterized by the Lack of Theory of Mind - Autism is a rare developmental disorder that affects approximately four in every ten thousand children (Baron-Cohen, Leslie & Frith, 1985). Employing a clinical perspective, Kanner (1943) (as cited in Sachs, 1995) was the first to provide a description on the disorder of autism. However, in the 1970s, Wing (1970) (as cited in Sachs, 1995) applied a cognitive perspective in describing the mental structure of autism. This essay will therefore argue that autism is characterized by the lack of theory of mind (Premack & Woodruff, 1978, as cited in Baron-Cohen et al., 1985), which is a cognitive mechanism....   [tags: Autistic Chromosome Disorders] 1100 words
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The Roles of HMGA Proteins - ... Grasser (Regensburg University), whose research group is specialised on studying plant chromosomal proteins. Towards the goal of elucidating HMGA function, a variety of experimental approaches will be employed using as central tool Arabidopsis plants with altered levels of HMGA protein that will be analysed in comparison to wild type control plants. The available data suggest that HMGA proteins as cofactors assist the proper transcription of putative target genes (Grasser, 2003; Klosterman and Hadwiger, 2002)....   [tags: chromosomes, plants, expression] 1326 words
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Autism - What is autism. "Autism is a potentially severe neurological condition affecting social functioning, communication skills, reasoning, and behavior. It is considered a "spectrum disorder," meaning that the symptoms and characteristics of autism can present themselves in a variety of combinations, ranging from extremely mild to quite severe" (Fergus 2002 para.1). Autism was first reported in 1943 by a Dr. Leo Kanner of John Hopkins University. Dr Leo Kanner based his theory on 11 children who showed signs of withdrawal from human contact, this started at age 1 between the years of 1938 to 1943....   [tags: Chromosome Disorders] 1900 words
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Ecocritism in Amitav Ghosh’s Sea of Poppies - Amitav Ghosh’s novel Sea of Poppies is a description of colonialism and its effect on the environment. The novel deals with the cultivation of opium and its harmful effect on the life of the people and the environment. In my paper, I will be dealing with the changes that occur due to the cultivation of opium and how its addiction leads to the death of Hukum Singh. People are compelled by the British to grow opium in their fields. Opium affects the normal behavior of birds, animals and insects in the novel....   [tags: Environmental Literature]
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Influence of Genetically Modified Foods on Infertility - ... The process of meiosis http://www.picstopin.com (2014, February 17) Meiosis 2: The two chromatids that make up each chromosome separate. The haploid cells now divide by mitosis. At the end of meiosis, four new, varied haploid cells are produced from one parent cell. Each cell contains half the number of the original chromosome composition and is not identical to the parent cell. Gametogenesis Gametogenesis is the formation of mature gametes (sperm and ova) by the reproductive glands through the process of meiosis....   [tags: fertility decrease, biological processes] 2441 words
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Generation and Characterization of Mouse Aneuploid Cells - Alterations in a cell's chromosomal content from normal is known as polyploidy or aneuploidy. Polyploidy is a change that is a multiple of the haploid chromosome content while aneuploidy is a change in the chromosome content that is not a multiple of the haploid number. There are many instances demonstrating that polyploidy is reasonably well tolerated at the organismal level, and whole genome duplications likely have served to promote the evolution of species (1). However, this is not the case for aneuploidy where the gain or loss of individual chromosomes has been demonstrated to result in lethality and the development of disease (1)....   [tags: Medical Science]
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Understanding Down Syndrome - Understanding the Disease Down syndrome When an error occurs at chromosome 21 within in the genetic make of a human being, the person obtains distinct features such as slanted eyes, deeply creased hands, and a protruding tongue. At first glance this person may appear to be affected with some type of deformation, but they are often one out of the 4,000 people that are diagnosed with the disease Down syndrome. Down syndrome or DS is a chromosomal abnormality that frequently affects humans. Because the disease is genetic one can assume that it has been affecting the human body for years....   [tags: Down Syndrome, informative] 1878 words
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An Insigth to Down Syndrome - Down syndrome; what is it and how does it affect the people who have it. Roughly 1 in 800 infants born in Canada are affected by Down syndrome. Down syndrome, also called Trisomy 21, is a chromosomal disorder that is caused by an extra genetic material in the individual. It delays the way an individual develops both mentally and physically. Down syndrome cannot be prevented but it can be detected before birth. At the time of conception an infant inherits genes from its parents in the form of 46 chromosomes....   [tags: Trisomy 21, Chromosomal Disorder, Genetic Material]
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Autosomal Chromosomal Abnormalities - Where does DNA come from. What is DNA. What is a Trisomy. DNA comes from our parents, we get half from mom and the other half from dad. DNA is two strands of nucleotide bases coiled into a double helix. The four nucleotide bases are Adenine, Thymine, Cytosine, and Guanine. Adenine pairs with Thymine and Guanine pairs with Cytosine. Each set has 23 single chromosomes- 22 Autosomes and one X or Y sex chromosome. (Massimini, 2000). “Your mother can give you only an X chromosome, but your father can pass on an X or a Y chromosome....   [tags: Genetic Disorders]
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