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30 March, 22:18

How can mitochondrial DNA be used to trace ancestry?

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  1. 30 March, 23:16
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    mitochondrial is used for storage, so ancestral dna in cells can stay in mitochondria and being passed on
  2. 30 March, 23:30
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    Human mitochondrial DNA is much smaller than human nuclear DNA ... For both of these reasons, the sequence of mitochondrial DNA stays the same over generations, and thus is a useful tool for looking at maternal ancestry. Scientists have found that the mitochondrial genome mutates 5--10 times faster than nuclear DNA.
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