We were at school together cyclopentolate 5ml price The Y chromosome's and the mitochondria's straightforward inheritance patterns make them comparatively easy to trace through time, so geneticists often focus on them. Because the two bits had to come from a man and a woman, respectively, the people who gave all modern humans these parts of their genome are often called something like the "Y-chromosome Adam" and the "mitochondrial Eve," which is a fun way to think about them. However, it's vanishingly unlikely the two ever met each other and mated, and they didn't live in an unpeopled Eden.
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