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    Williams Syndrome

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    Williams Syndrome, also known as Williams-Beuren Syndrome, is a genetic disorder caused by a deletion along chromosome seven. It is named for the two men who discovered and studied it in 1961, J.C.P. Williams of the United States and A.J. Beuren of Germany. Those with the disorder can be identified by their characteristic facial structure, the presence of cardiovascular anomalies and hypercalcemia, and a bright, outgoing personality. The exact number of those affected is unknown, however experts

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    fghj

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    3D imaging, and chromosome marking technologies. Chromosome markers have allowed for observations to be made into the genomes complex spaghetti like structure. It has been observed that in different cell types the chromosome position change, chromosomes on the periphery of the nucleus were more likely to become inactive, while the chromosomes that were placed closer to the centre became more active having more contact with the nucleus molecular machinery. Observations of chromosome positions in healthy

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    250,000 families have a child with Down Syndrome in America (Tocci). Each year in the United States around 5,500 babies are born with Down Syndrome, and millions of people have Down Syndrome worldwide. Down Syndrome is a genetic disease where the chromosome 21 has an extra copy causing many problems making it

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    genetic mutations

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    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

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    Schizophrenia

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    and researchers know that schizophrenia involves multiple chromosomes and occurs at a higher frequency for people with a history of schizophrenia in their families. So far, loci that are believed to correlate with a higher susceptibility or the disease itself have been located on all of the autosomal chromosomes, excluding chromosomes seven, nine, and twenty-one, and one locus has been found on the X sex chromosome (“Genes”). Some chromosomes even have multiple loci at which a link to schizophrenia

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    Huntington’s chorea Huntington’s chorea is a genetic disease, which means that its cause lies within a person’s chromosomes. Unlike viral and bacterial diseases, Huntington’s cannot be caught. Rather, it is inherited by your parents. The specific gene that causes this disease is on chromosome four. Since chromosome four is an autosomal chromosome, men and woman have an equal chance of inheriting the disease (Huntington's Disease (Huntington Disease)). Within this gene is a segment called CAG because

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    individual’s chromosome set. [3]There are different types of mutations; autosomal mutations (mutations occurring in one or more of the 44 autosomal chromosomes [in humans]), mutations in the sex chromosomes (the two chromosomes that amongst other things determine the individual’s sex), and there are also chromosomal disorders such as nondisjunction in where one of the two homologous chromosomes fails to separate from its sister chromatid during cell division, resulting in an extra chromosome in one daughter

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    Discuss the issues related to genetic diversity: mutations, sexual reproduction, migration, and population size Genetic diversity: Genetic diversity ids defined as the diversity or genetic variability within species. Every species possesses genes which are the source of its own unique features. In human beings, for example, each person's genetic individuality is reflected by the huge variety of people's faces. The term genetic diversity also involves distinct populations of a single species, for

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    Autism

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    Autism is a genetic disorder that typically appears during the first three years of life. There has been five chromosomes thought to be directly connected to autism. The disorder is a complex developmental disability. Autism is the result of a neurological disorder that has an effect on normal brain functions, affecting development of the person’s communication and social interaction skills. There are many different ways to classify autism; by difficulties in social interaction, verbal and non-verbal

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    completely, and the microtubules that were growing toward the chromosomes now attach to them. The microtubules align the chromosomes at the equator from a back and forth movement. With this, each chromosome now faces the pole opposite that of its sister chromatid” (Krogh, 2011, p.166). The sister chromatids will face opposite poles. Additionally, there eight chromatids present during this stage and the daughter cells will have four chromosomes. Krogh, D. (2011). Biology: A guide to the natural world

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