Like us humans, dogs too have multiple distinguishable features that make them truly unique. Merle dog breeds are canines that predominately show the merle coat pattern, a scattering of mottled ...

"Both the chocolate color (a recessive gene) and the merle pattern (a dominant but carefully managed trait) are uncommon on their own — together, they're exceptionally rare," the OP shared in the ...

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 ...