In the past, a double
merle Catahoula, which has been phenotypically identified by many breeders as a
dog displaying more than a 70 % white coat color, may actually have a full colored coat.
Merle is inherited in a dominant fashion, meaning that only one copy of an M allele is necessary for a dog to display some variation of the merle coat color / pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal coat color within areas of diluted pigmenta
Merle is inherited in a dominant fashion, meaning that only one copy of an M allele is necessary for a
dog to
display some variation of the
merle coat color / pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal coat color within areas of diluted pigmenta
merle coat color / pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal coat color within areas of diluted pigmentation.