Neanderthal Y chromosome DNA is missing from modern humans. New analysis suggests a new theory explaining the absence "a woman's immune system might attack a male foetus carrying Neanderthal versions of these genes". Consistent miscarriage would explain the missing Neanderthal Y chromosome DNA.

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Neanderthal Y chromosome DNA is missing from modern humans. New analysis suggests a new theory explaining the absence "a woman's immune system might attack a male foetus carrying Neanderthal versions of these genes". Consistent miscarriage would explain the missing Neanderthal Y chromosome DNA.