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SciShow
How Neanderthals Ended Up With Human Chromosomes
This week we learned that the Neanderthal/Denisovan/Human family tree is pretty complicated, thanks to a close look into some Neanderthals' Y chromosomes.
California Academy of Sciences
California Academy of Sciences: Men More Evolved?
Comparing the differences in the Y chromosomes in chimps and humans has created quite a buzz. [1:48]