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Free Dna Technology Essays and Papers

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    DNA Technologies

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    The structure of DNA was discovered in 1953 and revealed to the world by James Watson and Francis Crick.1 Since then, there has been a whirlwind of activity and discovery in the fields associated with DNA. We have found that DNA is not only a set of instructions for the body, but that it also contains a lot of information about the individual who “owns” the DNA. As it is rapidly becoming cheaper and easier to process DNA, it is becoming more difficult to make sure that there is adequate legislature

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    much DNA evidence at the scene. The answer is simple, DNA recognition technology did not exist. With the help of technological developments in the 21st century, law enforcement agencies have been able to re-open cold cases and solve numerous murders and disappearances, being able to prove an individual’s innocence, and finding missing persons by using DNA recognition. Deoxyribonucleic acid is what carries the hereditary and genetic code of humans. Each human has chromosomes that carry their DNA, 23

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    The forensic use of DNA technology. Introduction: This paper discusses the effect of forensic use of DNA technology and importance of using this technology. Due to the increasing rate of violent, The forensic use of DNA technology is essential in this search, hence, this technology enhances the search for truth by helping the police and prosecutors in the fight against crime. Through the use of DNA evidence, prosecutors are usually able to prove the defendant guilt. Some DNA evidence, such as fingerprint

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    Recent Uses of DNA Technology

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    Recent Uses of DNA Technology DNA, Deoxyribonucleic Acid, is the basic structure for all life, it is the blueprint, the instruction manual, on how to build a living organism. DNA is made up of four nitrogen bases, adenine, thymine, cytosine, and guanine which are connected by sugar-phosphate bonds. Through a process called Protein Synthesis, the nitrogen bases are the code for the creation of amino acids. Essentially, DNA makes amino acids, amino acids make proteins, proteins make organisms. This

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    Recombinant DNA technology has opened the door for humans to isolate and purify virtually any known genomic sequence. The human genome is known to contain approximately 6x109 base pairs over a span of 23 pairs of chromosomes. Getting pure DNA samples from large genomes like ours is now made far easier thanks to recombinant DNA technology. In addition, functional regions can be investigated and studied in predetermined manners, giving us vital insight to the biochemical, molecular, and genetic properties

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    The Use of Recombinant DNA Technology Recombinant DNA technology is the technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism.(1) This is the process of using recombinant DNA technology to enable the rapid production of human protein from a single gene of insulin. Firstly the single gene required must be isolated. This can be done three ways: Either by working backwards from the protein- Finding the amino

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    Pros and Cons of Recombinant DNA Technology

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    Introduction – A historical overview The history of rDNA technology dates back to 1865 when Gregor Mendel, using the pea plant demonstrated and proved some of the basic laws of genetics such as 1) Law of segregation, 2) Law of independent assortment and 3) Law of dominance. Mendel laid the foundation for genetics upon which experiments were conducted in later years. Later in 1915, T.H. Morgan established the fact that chromosome contains genes and these genes are linked through inheritance using

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    biotechnology foresaw that “merging biology and technology could be used to transform living substances into products that are more useful than in their natural state,” thus benefiting society by meeting human needs or demands to improve our quality life. Although the use of living systems to make a product has an established history, the modern definition of biotechnology is usually associated with recombinant DNA technology. The idea of recombinant DNA was first proposed by Peter Lobban but the founding

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    Recombinant DNA technology or genetic engineering is the use of in vitro molecular techniques to isolate analyze and manipulate fragments of DNA or genes. In the early 1970s, researchers at Stanford University were able to construct chimeric molecules called recombinant DNA molecules. Shortly thereafter, it became possible to introduce such molecules into living cells where they are replicated to make many identical copies. This achievement ushered in the era of gene cloning.  Recombinant DNA technology

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    Emerge of recombinant DNA technology provided an immense potential in the field of plant transformation. Transgenic plants detection in most crop species in order to minimize regeneration of non-transformed tissues after transformation requires the use of selectable marker genes and selective agents. The commonly used selectable markers in plant transformation systems are genes conferring resistance to toxic compounds such as herbicides or antibiotics. The negative selectable marker genes routinely

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