Q 1.Restriction enzyme 2.As you know, mitochondria have their own DNA. Mitochondrial DNA is sometimes used to aid in genealogical research. What does the study of mitochondrial DNA tell us about paternal ancestry 3.Gel electrophoresis is often used to separate molecules. Small molecules move through a gel . 4.Until recently paternity tests used blood type and could prove a man was not the father of a child but could not prove that he was the father. Today’s paternity tests are more specific and rely on a comparison of 5.A GMO is a transgenic organism.

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