In a stunning new discovery, researchers have identified a genetic contribution to the Stone Age that was likely due to chance. Through an analysis of ancient human remains, the team determined that some of the genetic diversity in modern humans can be traced back to a small number of individuals living during the Stone Age. This finding suggests that the genetic diversity in modern humans was shaped not only by natural selection, but also by the randomness of chance. While the exact mechanism of how this happened is still unclear, the researchers believe that a few individuals had a disproportionate influence on the genetic diversity of modern humans.

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source: Phys.org