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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 of its back, usually has a darker face ...
Some were non-dun with primitive markings, and non-dun 1 is one of the oldest coat color mutations, and has been found in remains from 42,700 years ago, along with dun. Non-dun 2, the version of the dun gene that most domestic horses have, is thought to be much more recent, possibly from after domestication. [3]
Dun most commonly refers to: Dun gene, which produces a brownish-gray color (dun) in horses and other Equidae; Dun (fortification), an ancient or medieval fort;
Zebra stripes are visible on the left back leg. The dun gene also produces light guard hairs in the mane and the tail. Grullo [1] (pronounced GREW-yo) [2] [a] or grulla is a color of horses in the dun family, characterized by tan-gray or mouse-colored hairs on the body, often with shoulder and dorsal stripes and black barring on the lower legs ...
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. Also, dun horses do not get lighter as ...
The oldest known horse coat color is bay dun, a tan color with a black mane, tail, dorsal stripe, and lower legs. The legs may sometimes have zebra-like black stripes; these, along with the dorsal stripe seen on all dun horses, are called primitive markings. Over 42,000 years ago, a mutation called non-dun 1 appeared, which allowed horses to be ...
A red dun has a light reddish- tan body and dark red primitive markings and points Red duns have a chestnut base coat with the dun gene (one or two copies). Their body color is pale, dusty tan shade that resembles the light undercoat color of a body-clipped chestnut but with a bold, dark dorsal stripe in dark red, a red mane, tail and legs.
Dun gene describes another common dilution gene in horses; Champagne gene, describes a different dilution gene in horses that also creates cream coloring, pale skin with mottling and light-colored eyes. Pearl gene, also called the "Barlink factor", is a recessive gene. One copy of the allele has no effect on the coat color of black, bay or ...