Dog DNA Reveals Ancient Trade Route From Arctic

Dog DNA Reveals Ancient Trade Route From Arctic
AP Photo/Robert F. Bukaty

Ancient Arctic communities traded with the outside world as early as 7,000 years ago, DNA from the remains of Siberian dogs suggests.   

Analysis of the DNA shows that Arctic pups thousands of years ago were interbreeding with other dogs from Europe and the Near East, even while they and their owners were living in one of the most remote places on Earth.

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