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How Is DNA Testing Done

By Alex Blake DNA testing is done for many different reasons. DNA evidence can link an alleged criminal to a crime scene.  DNA paternity and maternity testing can identify a child’s father or mother....

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What is PCR (Polymerase Chain Reaction)?

By Grant Kretzer One of the issues that scientists commonly encounter when they are processing a DNA test is that they don’t have enough DNA to work with. By using a method called polymerase chain...

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