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Dog breeds have little to do with behavior, study shows

02:35
Mentioned In This Video

A genetic study has debunked the stereotypes leashed to dog breeds

A new study of more than 18,000 dog owner-surveys and more than 2,000 DNA sequences shows that the personality of dogs has little to do with its personality. Factors like sex, age and environment have stronger pulls. NBC’s Gadi Schwartz reports for TODAY.