Researchers Find 'Junk DNA' May Have Triggered Key Evolutionary Changes in Human Thumb and Foot

Thursday, September 4, 2008 - 13:29 in Biology & Nature

(PhysOrg.com) -- Out of the 3 billion genetic letters that spell out the human genome, Yale scientists have found a handful that may have contributed to the evolutionary changes in human limbs that enabled us to manipulate tools and walk upright.

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