Genetic footprint of natural selection

A further step has been taken towards our understanding of natural selection. Scientists in France have shown that humans, and some of their primate cousins, have a common genetic footprint -- i.e., a set of genes which natural selection has often tended to act upon during the past 200,000 years. This study has also been able to isolate a group of genes that distinguish us from our cousins the great apes.

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