"...expected to find a strong European influence on these breeds, but he was surprised. Except for some of the stray dogs and the Alaskan malamute, "they have very little influence of European dogs in these breeds," he says. "So they have been kept pretty pure." When he and his team compared the sequences of the relatively unchanged breeds with those of 19 ancient dog sequences found across the two American continents, he was even more surprised. One breed — the Chihuahua — had a portion of DNA that was an exact match to that of an ancient dog."
Posted on: Thu, 11 Jul 2013 05:35:07 +0000
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