But, every last domestic dog, from the Teacup Chihuahua in Paris Hilton's purse to the Great Danes of European car advertisements, are the end result of selective breeding down different paths from the original wolf. (religion.blogs.cnn.com)
Domestic dogs, however, vary wildly in appearance as a result of selective breeding and yet their genome sequences are 99.85 % similar. (newscientist.com)
In fact, it is the result of selective breeding and came about in the 1990s. (animalwised.com)