![]() The merle gene (M) creates irregular patches of diluted color on a black coat. One reason for this rarity is that breeding dogs who are carriers of the merle gene only gives a 25% chance for a merle puppy. Merle is one of the rare colors of the Chihuahua. Remember that a dog with tan points needs a Ky allele in the K locus to allow the Agouti allele to be expressed without brindle marks. While the recessive dilution gene is causing black to turn silver, the tan allele (at) in the Agouti locus is deciding where to produce tan on your pup’s coat. Silver & Tan Chihuahuas have a lot going on when it comes to gene interaction. Silver & Tan Chihuahua Image from ChomChom RollerĪ rare combination on a Chihuahua coat that is also hard to place on the coat color scheme for most people. The action of this gene dilutes the black color beyond the blue and gray shades to cause silver, which appears like a tinge of white color is sprayed over gray hairs and making it shinier than the ordinary gray.īecause they have two copies of the recessive dilution gene, Silver Chihuahuas will always pass a copy of the gene to their puppies, making them carriers of the gene if they only get it from one parent or silver-coated if the gene is inherited from both parents. Image from Instagram: Chihuahuas are homozygous for the recessive dilution (dd) gene.
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