The end of men? Generations of war are to blame for the collapse of diversity of the Y chromosome
From around 7,000 years ago, something strange seems to have happened to men. Genetic records show that their diversity collapsed almost entirely, and stayed that way for the next 2,000 years. So extreme was the collapse in the Y chromosome that it was ...
Something Crazy Happened To Men 7000 Years Ago - And Now We May Know Why
Ancient war killed most men on Earth but spared women, scientists claim
Genetic Diversity Collapse In Y-Chromosomes In Ancient Humans Linked To Social Changes And Wars
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