New Genetic Study Shows the Origin of Dog Breeds

There are 400 breeds in total, including 23 distinct “clades” or types. 

 

Dog breeds in relation to one another. Cell Reports.

If asked outright, most American dog owners would say their loving pooch is a part of the family. Perhaps it’s the long history of interaction between our two species that makes us so close. Dogs and humans have been living together for at least 15,000 years.

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