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.
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 ...
Daily Record

Dog trainer explains difference between male and female dogs - one is more 'stoic'

Thought there was no distinction between male and female dogs? Think again. A canine behaviourist has analysed some key characteristics of dogs of different genders and suggested one might seem more ...

Thousands of genomes reveal the wild wolf genes in most dogs’ DNA

Dogs and wolves living today derive from a shared ancient wolf population that lived alongside woolly mammoths and cave bears ...