| The next time you are watching your
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| | generation to the next. In the passing,
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| favorite CSI TV show or a particular
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| | some parts of the DNA remain almost
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| movie and stumble into the fascinating
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| | completely unchanged, while other parts
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| world of DNA, you might be surprised to
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| | change dramatically. This property
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| know that our DNA can do more than
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| | allows for the identification of certain
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| identify a suspect or victim at a crime
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| | consistencies between generations and
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| scene. In fact, DNA is now being used to
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| | provides the ability to identify genetic
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| identify ancestors in the new and
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| | relationships.There are two types of DNA
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| exciting field of DNA Genealogy.DNA
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| | tests available for testing DNA
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| Genealogy takes traditional genealogy and
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| | Genealogy: Mitochondrial DNA (mtDNA) and
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| applies genetics to it. DNA Genealogy
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| | Y-chromosome DNA tests.Mitochondrial DNA
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| involves the use of genealogical DNA
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| | (mtDNA) is found in the cytoplasm of the
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| testing to determine the level of genetic
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| | cell instead of in the nucleus as is
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| relationship between two individuals
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| | Y-chromosome (Tracing 2003). mtDNA is
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| (Genealogical 2005). DNA,
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| | passed by a mother to both her male and
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| deoxyribonucleic acid, is used in the
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| | female children without any additions or
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| process because of its unique nature and
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| | mixing from the father.
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| the fact that it is passed down from one
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