The Seattle Times

JOHN W ADKISSON / The New York Times
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Tuesday, July 16, 2013

New DNA findings support lore of pre-Columbian dogs

Don Anderson with Maynard, one of seven Carolina dogs he owns, in Bishopville, S.C. Several dog breeds in the Americas — among them the Peruvian hairless, the Chihuahua and the Carolina dog — are without some genetic markers indicative of European origin, suggesting they arrived in an earlier migration from Asia