Genetics in the news - Genetics in the news: There are a...

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Genetics in the news: There are a number of headline catching themes, some of which are discussed below. Forensic science DNA fingerprinting In 1985 sequences of DNA were discovered which were present at many sites in the genome and which varied in the numbers of copies present at any one location. Human fingerprints though composed of only a few basic elements, lines whorls and loops, are unique to any individual. In the same way, the pattern of variation of these simple DNA elements is sufficient to mark each human individual uniquely (with the exception of identical twins). The added advantage is that any fragment of tissue from which DNA can be extracted, (and this can be as small as a dried drop of blood, or a single hair root) is enough to identify the human from which it originated. The latest high profile trial in which DNA evidence featured was the O.J.Simpson trial. However, in this case although DNA tests established beyond reasonable doubt the identity of various blood samples, enough questions remained as to how the blood came
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Genetics in the news - Genetics in the news: There are a...

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