Given the Diversity of Dog Breeds That Exists, Which of the Following

Multiple Choice

Given the diversity of dog breeds that exists, which of the following principles is likely to be true?

A) The original gene pool had little genetic variation.
B) Selection can yield considerable morphological change, outside the range of the original population.
C) The morphological traits seen must be at least somewhat heritable.
D) Both a and b
E) Both b and c