Extreme Variation of Anatomy and Behavior Unique to the Domestic Dog

June 21, 2009

Extreme variation in anatomy and behavior is unique to the domestic dog. If humans were an equally anomalous species, we’d weigh between 20 and 650 pounds and range in height from three to 10 feet. In dogs, adaptations change with such speed that scientists suspect there may be a clue in the canine genome that could reveal how evolution works.

— from Jane Brackman, PhD, “Can DNA Decipher the Mix? Unraveling the genetic tapestry provides clues to breeds and their mixes” The Bark


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