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An agouti dog, also called wolf sable. In dogs, the agouti gene is associated with various coat colors and patterns. [10]The alleles at the A locus are related to the production of agouti-signaling protein (ASIP) and determine whether an animal expresses an agouti appearance and, by controlling the distribution of pigment in individual hairs, what type of agouti.
A cat hair showing agouti coloration A domestic rabbit with agouti coloration. Agouti is a type of fur coloration in which each hair displays two or more bands of pigmentation. [1] [2] The overall appearance of agouti fur is usually gray or dull brown, [3] although dull yellow is also possible.
The inhibitor gene interacts with the non-agouti genotype (I-aa) to produce the color known as smoke. The homozygous recessive genotype when combined with the agouti gene (iiA-), produces tabby coloration, which can vary along a spectrum ranging from a deeply patterned brown tabby, to a lighter "golden tabby", to the very lightly colored shaded ...
A y = Fawn or sable. Tan with black whiskers and varying amounts of black-tipped and/or all-black hairs dispersed throughout. Fawn typically referring to dogs with clearer tan and sable to those with more black shading. a w = Wild-type agouti. Each hair with 3-6 bands alternating black and tan. Also called wolf sable. a t = Tan point.
Ticked – Ticked varieties have the same coloration over the entire body with contrasting guard hairs. Varieties include silver- and gold-tipped steel (black, blue, chocolate, lilac, sable, smoke pearl varieties), frosted pearl (black, blue, chocolate, and lilac), and silver/silver fox (black, blue, brown/agouti, fawn).
While some pet rats retain the agouti coloring of the wild brown rat (three tones on the same hair), others have solid colors (a single color on each hair), a trait derived from rats with black coats. Agouti-based colors include agouti, cinnamon, and fawn. Black-based colors include black, beige, blue, and chocolate. [18]
Agouti-signaling protein is a protein that in humans is encoded by the ASIP gene. [5] [6] It is responsible for the distribution of melanin pigment in mammals.[7] [8] Agouti interacts with the melanocortin 1 receptor to determine whether the melanocyte (pigment cell) produces phaeomelanin (a red to yellow pigment), or eumelanin (a brown to black pigment). [9]
Agouti a/k/a Black Agouti, Chestnut Agouti, Wild Agouti; Dilute Black Agouti a/k/a Blue Agouti or Opal; Brown Agouti a/k/a Chocolate Agouti; Dilute Brown Agouti a/k/a Lilac Agouti or Lynx; Wide Band Color Group. Yellow a/k/a Red or Fawn; Chinchilla Color Group. Chinchilla; Dilute Black Chinchilla a/k/a Blue Chinchilla or Squirrel