Coat Color
Dominant Black
Alternative Names: Ink black, Jet black, Self color, Brindle
The Dominant Black variant is responsible for black and brindle coat colors. The Dominant Black variant is also known as KB (or Kbr if brindle), and is found in the CBD103 gene (known as the K locus).
More Info
Did you know?
Brindle derives from an Old Norse word that means "to burn" or "to brand," likely in reference to the striped appearance of the coat. A reverse brindle is a dog with a primarily dark coat, and less red striping.
How it works
One or two copies of the dominant black will give a dog a black coat (depending on other variants), black eye rims, nose and pads. One copy may also give a tiger striped appearance, known as brindle patterning.
Prevalence
5 in 10 dogs
have one or more copy of this genetic variant in our testing.
Technical Details
| Gene | CBD103 |
|---|---|
| Also Called | Black (K) Locus |
| Variant | Deletion |
| Chromosome | 16 |
| Coordinate Start | 58,965,449 |
| Coordinate End | 58,965,451 |
All coordinates reference CanFam3.1
References & Credit
Credit to our scientific colleagues:
Candille, S. I., Kaelin, C. B., Cattanach, B. M., Yu, B., Thompson, D. A., Nix, M. A., … Barsh, G. S. (2007). A β-defensin mutation causes black coat color in domestic dogs. Science, 318(5855), 1418–1423. View the article
Schmutz, S. M., & Berryere, T. G. (2007). Genes affecting coat colour and pattern in domestic dogs: A review. Animal Genetics, 38(6), 539–549. View the article