Murder, Rape, and DNA DNA is the information needed by a cell in order to reproduce an identical offspring. In some crimes detectives have no evidence or fingerprints to tell who had committed a crime. Now there is a way of finding who has committed the crime by a method called DNA Typing. DNA Typing is finding bacteria or blood on clothing or skin and amplifying the gene. This process was pioneered in the 1980's by a Scientist named Alec Jeffreys. If blood, sperm, or any other human cells are left at the scene of a crime, the DNA in the cells can be analyzed and compared with some DNA taken from the suspect's blood. If they match, this information and testimony of a scientist can be used to convict a rapist or murderer. In the O.J. Simpson case DNA Typing was used. There was blood found on various areas at the crime scene. The investigators gathered the evidence, and ....

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