Domestic dog origins challenged From BBC News:
The suggestion that the domestic dog originated in East Asia has been challenged.
The huge genetic diversity of dogs found in East Asia had led many scientists to conclude that domestication began there.
But new research published in the journal PNAS shows the DNA of dogs in African villages is just as varied.
An international group of researchers analysed blood samples from dogs in Egypt, Uganda and Namibia.
Today's dogs are descended from Eurasian grey wolves, domesticated between 15,000 and 40,000 years ago.
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