Human hands may be more primitive than chimp’s

14 julio 2015

Human hands may be more primitive than chimp’s. Human hand proportions have changed little from those of the last common ancestor (LCA) of chimpanzees and humans. These findings indicate that the structure of the modern human hand is largely primitive in nature, rather than the result of selective pressures in the context of stone tool-making.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/LNaQOpv2vRY» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LNaQOpv2vRY/150714113043.htm

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