The foxes changed physically as well, with alterations in coat color appearing ... genetic variability into distinct phenotypes. In fact, the evolution of the majority of dog breeds is a ...

"Many questions went through my head about what I had previously learned concerning genetics," breeder Albert Bos told Newsweek.

genetics determine a dog's coat and the way it's marked. Though there's a lot of variety in coat color, only two basic pigments determine the outcome in pups: eumelanin (black) and phaeomelanin (red).

The term “blue” in dog coats refers to a diluted black color with a steel-grey shine. Blue is a fairly uncommon coat color because it relies on genetic mutations to occur. Unfortunately ...