To get around that, a team of researchers recently did the largest gene/behavior association study within a single dog breed.

Greenlandic sled dogs, also known as Qimmit, play while resting. Markus Trienke via Wikimedia Commons under CC-BY-SA-2.0 Man’s best friend has been our faithful companion for thousands of years.

Research indicates that selective breeding has significantly altered the brain anatomy of dogs. The findings of this study ...