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Human Anatomy and Physiology

Is human DNA closer to chimpanzees or pigs?


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July 04, 2012 11:38AM

Humans and chimpanzees share a much more recent common ancestor than humans and pigs. This results in humans sharing more of their genome with chimps than they do with pigs.

Even though a human's genetic code is more like a chimp's than it is like a pig's, all eukaryotic organisms share a significant amount of genetic code, vertebrates share even more, and mammals share even more than that; a human's DNA more closely resembles a pig's than it does a lizard's, and it more closely resembles a lizard's than it does a bacterium's.