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Previous genetic studies of dog lineages have concluded that domestication occurred in Southern China around 16,500 years ago, but the earliest archaeological evidence of domesticated canines is found in Europe and Siberia.
(If wolves were domesticated several times in various regions, the team would expect to find more than one lineage among modern dogs.). Despite the fact that dogs were first domesticated about 14,000 to 17,000 years ago, most dog breeds were developed within the last few centuries.