NEW YORK: Where did dogs first arrive on the scene? Scientists have long debated that question, and now a study of doggie DNA from around the world is pointing to Central Asia.
Man’s best friend may have evolved somewhere near what is now Nepal and Mongolia, researchers say.
Previous studies have suggested southern China, the Middle East, Siberia and Europe as the place where our first domesticated animal arose from wolves at least 15,000 years ago.
For the new work, Adam Boyko of Cornell University and others analyzed DNA from 549 dogs that represented 38 countries in Africa, the Americas, Asia, Europe, India, the Middle East and islands north and east of Australia. The animals weren’t house pets, but rather “village dogs” that wandered freely in the streets or fields.
The researchers examined the DNA for signals of where the dogs had the most ancient roots. That pointed to Central Asia. The analysis did not tackle the contentious question of when dogs appeared.
Results were reported in a paper released recently by the journal Proceedings of the National Academy of Sciences.
Even Boyko doesn’t think the work will end the debate among scientists.
