Human races haven't diverged, though. Divergence requires isolation that isn't p... | Hacker News

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		bendmorris on Feb 15, 2014 \| parent \| context \| favorite \| on: New forms of 'racism' arise in science research Human races haven't diverged, though. Divergence requires isolation that isn't present in humans. People are incredibly mobile and people of different races frequently intermarry, ensuring that any traits that emerge in one get shared with all the others.

d0 on Feb 15, 2014 [–]

That's not strictly true. There are plenty of isolated genetic lines. This is a really big planet.

Things like sickle-cell and neurofibromatosis are worth studying only 2-3 generations back as well for example.

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