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The Impact of genetic fingerprinting and gene profiling in Forensic Science
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Helen Douglas 12.4 BIOLOGY COURSEWORK: The Impact of genetic fingerprinting and gene profiling in Forensic Science Gene profiling and genetic fingerprinting was unheard of in Forensic Science 20 years ago. DNA testing was initially introduced in the 1980s and the first court case, which saw a man put behind bars due to the forensic evidence was in 1985. Following the success of the use of physical proof, numerous cases around the world from paternity tests to identification of American soldiers from the Vietnam War have been solved. A person's DNA (de-oxyribonucleic acid) can be found from a single strand of hair, skin under a murder victim's nails or bodily fluids such as sweat, saliva, semen and blood. The chances of a sample of DNA being the same as another person, other than monozygotic twins is 1 in 24 million. This is why recent cases such as that of Sarah Payne rely so much on...
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