“Man’s best friend has been around longer than anyone thought. The great Dane, pit bull and Pekinese are all descended from a few far-eastern wolves that befriended humans at least 15,000 years ago.

Even the new world canines – such as Alaskan huskies and Chesapeake Bay retrievers – have DNA sequences which make them indistinguishable from European dogs, geneticists report in Science today.” Guardian UK