16 marzo 2015
Researchers have 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.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DgDOdkzs0YA/150316185555.htm
