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DNA |
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DNA n. scientifically, deoxyribonucleic acid, a chromonal double chain (the famous "double helix") in the nucleus of each living cell the combination of which determines each individual's hereditary characteristics. In law, the importance is the discovery that each person's DNA is different and is found in each living cell, so a hair, blood, skin or any part of the body can be used to identify and distinguish an individual from all other people. DNA testing can result in proof of one's involvement or lack of involvement in a crime scene. While recent DNA tests have proved a convicted killer on death row did not commit a crime and resulted in his release, current debate concerns whether DNA evidence is scientifically certain enough to be admitted in trials. The trend is strongly in favor of admission. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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DNA fingerprint changes in tuberculosis: re-infection, evolution, or laboratory error? When Michaelsen extracts DNA from a fungus in these stored samples and runs it through gel electrophoresis, she gets a series of bands that amount to a DNA fingerprint. Each bacterial substrain has a unique rep-PCR DNA fingerprint, a molecular version of the UPC barcodes used in grocery stores. |
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