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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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Blaire Van Valkenburgh of the University of California, Los Angeles and her colleagues conducted a genetic study of living gray wolves and also samples of mitochondrial DNA recovered from wolf bones found in Alaskan permafrost. Also very highly recommended is Colleen Fitzpatrick's related instructional reference DNA & Genealogy (0976716011) with its focus on the genetic trail an ancestor leaves behind which can be traced through Y-chromosome and mitochondrial DNA testing, offering heretofore unavailable genetics-based expertise to genealogical inquiry for non-specialist general readers with an interest in developing their own genealogical inquiries. All other types of nuclear transfer cloning produce clones that contain mitochondrial DNA originating in the cytoplasm of the oocyte. |
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