The Agouti gene controls the coat’s coloring, turning red and black colors on and off. To get the brindle pattern, your pooch needs to have the Agouti gene. These pigments are pheomelanin (red-yellow) and eumelanin (black-brown). Your dog’s coat color is made up of different genes, controlling two pigments. Thus, producing dominant black, brindle, or fawn colors. T he K locus with the Agouti genes controls how pigmentation works. Instead, it’s a recessive gene of the K locus. Genetics of the brindle coat: What causes brindle coloring in dogs? Source: / IGĪs common as brindle seems, it’s not dominant. This marking needs to carry a specific trait. Not every pooch comes with the brindle coat, though. The darker brindle coloring is the most commonly discussed, but a lighter brindle pattern is also known as reverse brindle. Whereas the brindle pattern is a recessive gene of the K locus, which is dominantly black, that causes the tiger stripes to be seen. Merle is another coat pattern that’s a partially dominant gene that produces irregular patches of diluted pigmentation on a solid black coat. It’s a beautiful coat color and will undoubtedly have people looking when you walk down the street with your doggo. This pattern has a brown base color that’s overlaid with dark brown to black stripes. 8 Further reading: Dog Breeds with Coats as Solid Colorsīrindle is a coat color pattern that many dog breeds carry.
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