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A “blue” dun, or grullo. A red dun. The dun gene is a dilution gene that affects both red and black pigments in the coat color of a horse. The dun gene lightens most of the body while leaving the mane, tail, legs, and primitive markings the shade of the undiluted base coat color. A dun horse always has a dark dorsal stripe down the middle ...
Equine coat color genetics determine a horse 's coat color. Many colors are possible, but all variations are produced by changes in only a few genes. Bay is the most common color of horse, [2] followed by black and chestnut. A change at the agouti locus is capable of turning bay to black, while a mutation at the extension locus can turn bay or ...
The colouration is genetically a bay-based dun further diluted by a single allele of the cream gene, what is sometimes called a "buckskin dun" in other settings. [6] The yellow dun (gulblakk) is the rarest colour aside from kvit (see below). [5] It is a red dun with an additional dilution factor that makes the body a light cream colour.
Every dun horse has a dorsal stripe, and some dun horses also have additional primitive markings. Some non-dun horses may also show primitive markings, namely newborn foals and horses with the non-dun 1 gene. [1] [4] Primitive markings in horses are an example of atavism: preservation of or reversion to ancestral type.
Brown dun, a result of the dilution effect of the dun gene. Like all duns, brown duns have conspicuous primitive markings including at least a dorsal stripe and darker points. The primitive markings of brown duns are black, and the coat color is somewhere between the slate gray of a grulla and the tan of a bay dun.
Dewan Undangan Negeri (DUN), the legislative assemblies of Malaysian states. Dün (band), a French progressive rock band active 1978-1981. Dun & Bradstreet, an American credit reporting agency. Dun comma or enumeration comma, a Chinese punctuation mark. Dun Cow, a brown bovine; a common motif in English folklore.
Red roan, roaning over chestnut, sometimes called "strawberry roan". Roan is a horse coat color pattern characterized by an even mixture of colored and white hairs on the body, while the head and "points"—lower legs, mane, and tail—are mostly solid-colored. Horses with roan coats have white hairs evenly intermingled throughout any other color.
Some horses with a particular type of dun hair coat known as a "blue dun", grullo, or "mouse" dun appear to be a solid gray. However, this color is caused by the dun gene acting on a black base coat, and horses who are dun have all hairs the same color; there is no intermingling of white and dark hairs.