D.N.A. Backs Lore on Pre-Columbian Dogs – NYTimes.com

Now, a new study of canine DNA backs up the folklore. A team led by Peter Savolainen at the Royal Institute of Technology in Sweden has reported that 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.

via D.N.A. Backs Lore on Pre-Columbian Dogs – NYTimes.com.