Summary
NEW YORK - One of the most detailed comparisons yet of human and chimp DNA shows the split between the two species was a long, messy affair that might have featured an unusual evolutionary version of breakup sex.
Previous genetic research has shown that chimpanzees and humans are sister species, having split off from a common ancestor about 7 million years ago. The new study goes farther by looking at about 800 times more DNA than earlier efforts.See the full content of this document
Extract
Dna Study Says Man, Chimp Had On-and-Off Affair
That additional data make it possible to determine not just when, but how the split happened.
"For the first t...See the full content of this document
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