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How many "markers" are tested in mtDNA Full Sequence

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  • How many "markers" are tested in mtDNA Full Sequence

    I'm not even sure that this question makes sense.

    In Y-DNA testing, one can test 12, 25, 67, etc. markers.

    In mtDNA testing, is it also called markers, and if so, how many are tested?

    Thanks,

    Sarah Gorrell

  • #2
    Originally posted by SGorrell View Post
    I'm not even sure that this question makes sense.

    In Y-DNA testing, one can test 12, 25, 67, etc. markers.

    In mtDNA testing, is it also called markers, and if so, how many are tested?

    Thanks,

    Sarah Gorrell
    For the mtDNA Full Sequence, the entire mtDNA genome is tested, there is nothing left to test. The exact number of positions a person has varies slightly, but is about 16,569. mtDNA is located separately in the cell (in the mitochondria) from Y-DNA and autosomal DNA (usually in the nucleus).The Y chromosome and autosomal chromosomes are much larger (millions of positions), so testing everything for them is much more complex than testing everything in the mitochondrial genome.

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    • #3
      Dan: Thanks so much! I appreciate you reply as well as the additional information.

      Sarah

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