Many genes associated with dog behavior influence human personalities, too

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

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 ...