Ancient DNA tells of two origins for dogs

Domestication of wolves might have happened in both East and West

dogs

EASTERN INFLUENCE  Dogs may have been domesticated separately in East Asia and Europe, a new study suggests. Those separate dog groups got together when Eastern dogs moved west with humans and partially replaced dogs living in Europe. Those events happened thousands of years before breeds, such as Chinese shar-peis (left) and German shepherds (right), were created.

Lilun Li/iStockphoto

Dogs were domesticated at least twice, a new study suggests.