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In a study led by scientists from Arizona State University, the University of Cambridge, University of Tartu and Estonian Biocentre, and published in the journal Genome Research, researchers discovered a dramatic decline in genetic diversity in male lineages four to eight thousand years ago -- likely the result of the accumulation of material wealth, while in contrast, female genetic diversity was on the rise. This male-specific decline occurred during the mid- to late-Neolithic period.
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Sabine Deviche
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