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DNA Evidence History and Status Nick Smith When Gregor Mendel published his studies of inherited characteristics of pea plants in 1866, he probably didn't know he was starting a sequence of events that would end in the 1987 conviction of someone in the United States based on DNA evidence. This article discusses the history and current status of the use of DNA evidence in the United States. How DNA Evidence is Gathered and Used DNA (deoxyribonucleic acid) is a nucleic acid consisting of two chains of nucleotides bonded together in a double helix, and is responsible for determining the inherited characteristics of each person. Historically, DNA could only be extracted reliably from clean specimens of blood or other body fluids. Due to recent scientific deve... [ Read Article ]

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News STONY BROOK, NY-- - Applied DNA Sciences, Inc. announces that its smartDNA anti-theft system will be used by police in Sweden to deter theft of copper wire and other copper electrical components in the ... Read More ... Mexican authorities are asking for DNA samples from families of missing persons nationwide in their efforts to identify 49 decapitated bodies, an official said Wednesday. Read More ... Rare DNA mutations are so plentiful in the human genome that they make it difficult to precisely identify the genetic switches that cause many common human diseases, two studies found. Read More ... Mexican authorities are asking for DNA samples from families of missing persons nationwide in their efforts to identify 49 decapitated bodies, an official said Wednesday. Read More ... Mexican authorities are asking for DNA samples from families of missing persons nationwide in their efforts to identify 49 decapitated bodies, an official said Wednesday. Read More ...

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