While domestic Canine breeds range greatly—from little Chihuahuas to giant Excellent Danes—all of them come from exactly the same ancestors and share ninety nine.9% of their DNA with the gray wolf. “Dogs have been domesticated from the lineage of grey wolves that happen to be extinct,” Dr. vonHoldt says. : https://elliottmvdjg.dsiblogger.com/68784240/dog-relaxation-aids-things-to-know-before-you-buy