"Adam," "Eve," and why they never got married

July 20, 2007
[D]ifferent genes can have different genealogies even within a single biological genealogy. That's why it's not only possible but also unsurprising that the mitochondrial gene genealogy that traced back to 'mitochondrial eve' and the Y-chromosome genealogy that traced back to 'Y-chromosome Adam' don't lead back to individuals who were married to each other, or even lived within 50,000 years of each other.

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