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Dog colors

Locus B
DSC003
Alleles B (not brown), b (brown)
TYRP1
All breeds
B > b
10


Locus B (brown) - "brown" - is responsible for the presence of black pigment, provided there is eumelanin pigmentation (that is, in dogs with the E- genotype).



Allele B is responsible for black coat color, recessive allele b - brown coat color. Locus B influences not only the color of the coat, but also the pigmentation of the skin (eg fingerpads), nose and eyelash color.

Dogs with genotypes BB and Bb have black coat and nose.



Allele B is responsible for black coat color, recessive allele b - brown coat color. Locus B influences not only the color of the coat, but also the pigmentation of the skin (eg fingerpads), nose and eyelash color.


Dogs with genotypes BB and Bb have black coat and nose.


Dogs with genotype bb have brown coat and nose color (all shades of brown - chocolate, coffee, "red" in the Australian Shepherd, Border Collie, bronze in Newfoundlands, etc.).


Dogs with the genotype will have a reddish color (due to the absence of eumelanin), regardless of the genotype at the B locus.




ATTENTION! In the Franzusky Bulldog breed, in addition to the standard b, there is a cocoa color determined by the Cocoa locus - DSC018 French Bulldog cocoa allele .