Borrowing methods developed to study the genetics of human disease, researchers have concluded that dogs were probably first domesticated from wolves somewhere in the Middle East, in contrast to an earlier survey suggesting dogs originated in East Asia.
http://www.nytimes.com/2010/03/18/science/18dogs.html?hp
I heard something about this on NPR the other day. I always thought it was so crazy how dog DNA is so flexible: that poodles, Great Danes, and pitbulls are all considered dogs.
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