See the original article here: Sled Dogs Emerged Over 9,500 Years Ago in Siberia: Study

An international team of researchers has sequenced the genomes of 10 modern sled dogs, an ancient sled dog and an ancient wolf, both from Siberia, and analyzed their genetic relationships with other modern dogs. They’ve found that sled dogs represent an ancient lineage going back at least 9,500 years and that wolves bred with the ancestors of sled dogs as well as American dogs. The major ancestry of modern sled dogs traces back to Siberia. Illustration by John James Audubon & John Bachman. Archaeological evidence from eastern Siberia suggests that sled dogs have likely been integral to human life […]

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