Jiff the collie represents “shaded yellow,” one of five coat color patterns in domestic dogs identified by Danika Bannasch at the UC Davis School of Veterinary Medicine and collaborators in the U.S.

The shaded yellow phenotype produced by mutations on the ASIP gene are seen in a collie’s coat color. Susan Larson Some breeds of dogs are prized for their unique coat colors, such as the golden ...

Similarities in how different organisms look can indicate a close evolutionary relationship. Conversely, great differences in appearance can suggest a very distant relationship, as in many adult ...

Dogs come in all shapes and sizes, but variations in color patterns provide some of their most distinctive characteristics. A newly released study sheds light on a subset of these patterns, ...