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We find evidence that natural selection is, in fact, maintaining those 16 genes. In fact, the human Y hasn't lost any genes over the past 6 million years.
Jennifer Hughes
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So, unlike in humans, every chimp male's sperm has to fight really hard to fertilize a single egg.
— Jennifer Hughes
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The genes in the palindrome region are primarily sperm-producing genes, and most other genes unique to the Y aren't located there,
— Jennifer Hughes
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The genes in the palindrome region are primarily
sperm-producing genes, and most other genes unique to the Y aren't
located there,
— Jennifer Hughes
This led to the 'The Y is Falling' hypothesis.
— Jennifer Hughes
That's because every other chromosome has a pair.
— Jennifer Hughes