A study published by 'Science' looked at whether a dog's breed as any impact on the dog's behavior.
Researchers sequenced the DNA of 2,155 dogs to identify their ancestry and surveyed owners on the dogs’ behavior, finding that, while breed does have a slight effect on behavior, it is a weak predictor of how any individual dog will behave.
Researchers identified 11 areas of genetic code associated with behaviors like how often a dog howls and sociability toward humans, though none of those genetic markers was exclusive to a particular breed. The study did confirm that some stereotypical behaviors had a genetic basis—for instance, researchers identified a link between Border Collie ancestry and biddability, the propensity to respond well to training.
On the other hand, some stereotypical behaviors had no genetic basis—researchers found no link between Labrador Retriever ancestry and sociability toward humans, a trait popularly associated with the breed.Tangent Researchers found that some behaviors were associated with different categories of breed. Herding breeds, such as the German Shepherd, tended to be more biddable, more engaged with their environment and more aloof from others in comparison to other breeds, whereas toy breeds, such as the Pomeranian, tended to be less biddable and less sociable toward other dogs compared to other breeds.
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