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Ancient DNA Reveals Horse Domestication History

Speed, smarts and the heart of a champion: Using genomic analysis, scientists have identified DNA changes that helped turn ancient horses such as those in prehistoric cave art into today's Secretariats and Black Beauties, researchers reported Monday. Understanding the genetic changes involved in equine domestication, which earlier research traced to the windswept steps of Eurasia 5,500 years ago, has long been high on the wish list of evolutionary geneticists because of the important...

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