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Almost Every Dog on Earth Still Has a Bit of Wolf Inside — Even Chihuahuas

When scientists compared the DNA of thousands of dogs and wolves, they found the two species were not as separate as once ...

Most dogs have some wolf DNA, scientists say. These breeds have more than others.

Wolf DNA seems to have influenced the size, smelling power and even personality of modern dog breeds, scientists said.

Scientists Discover Detectable Wolf DNA in Two-Thirds of Dog Breeds, Including Tiny Chihuahuas

U.S. scientists analyzed the DNA of numerous modern-day dog breeds, and found that two-thirds of pet dogs have traceable wolf ...

Your pet dog really does have wolf genes

On average, terriers, gundogs, and scent hounds have the least wolf ancestry. While some large guardian dogs have high wolf ancestry, others including the Neapolitan mastiff, bullmastiff, and the St.

Is There a Little Wolf in Your Chihuahua?

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

Dogs transformed from wolves during the Stone Age, study finds

A new study has revealed that dogs began their physical transformation from wolves during the Middle Stone Age - several centuries earlier than previously thought. In the 21st century, it is difficult ...