Ancient history of canine cancer decoded

Ancient history of canine cancer decoded

By Science News Staff, 17:12 PM January 23, 2014

Guest post by Tina Hesman Saey

A contagious cancer has been plaguing dogs for 11,000 years, a new genetic analysis reveals.

Canine transmissible venereal tumor probably originated in an ancient dog related to today’s Alaskan Malamute, scientists report in the Jan. 24 Science. The original carrier was probably a medium to large dog with a mixture of wolf-like and doglike characteristics and either a solid black coat or an unusual coat color called agouti, in which the tips of the hair are a diff...

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