This genetic site is responsible for diluted pigment which lightens coats from black or brown to gray or blue or very pale brown.A mutation in the melanophilin (MLPH) gene is the cause of color dilution. The two alleles associated with dilution are D (dominant full color) and d (recessive dilute).
The main giveaway that a dog is a dilute is generally its nose colour. The coat may be entirely sable or recessive red for example, but if the dog has a blue nose
The Dominant Black Gene. Black is the "default" eumelanin colour for dogs. A dog that isn't homozygous for liver (bb) or for dilution (dd) will have black .
However, it's important to know the basics of inheritance!. Our surprise at getting this chocolate-coloured puppy leads us to look up dog colour genetics on the .
