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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
Dun: A horse coat color that features primitive markings: a slightly darker hair shade from the base coat located in a dorsal stripe along the horse's backbone, horizontal striping on the upper legs and sometimes transverse striping across the shoulders. These markings identify a horse as a dun as opposed to a buckskin or a bay.
Horse shows a diluted body color to pinkish-red, yellow-red, yellow or mouse gray and has dark points called primitive markings including dorsal stripe, shoulder stripe and leg barring. nd1/nd1: Horse is very slightly diluted and primitive markings are darker. nd1/nd2: Horse is not diluted and has faint primitive markings.
“Primitive markings” are being reported on some wild horses roaming North Carolina’s Outer Banks, and the cause can’t be easily explained.. It may be a rare genetic trait shared by one of ...
There are two forms of non-dun color, non-dun1 and non-dun2, caused by different mutations. Non-dun1 horses have some primitive markings, while non-dun2 horses do not. Prior to domestication of the horse, dun, non-dun1, and the leopard complex are thought to have been the wild type modifiers of the base colors bay and black for wild horses. It ...
Grulla, or Blue Dun: A horse with a black base color and the dun gene. Coat is a solid "mouse-colored" gray or silver (can also be almost brownish-gray) with black or dark gray primitive markings. Red Dun: A chestnut base coat with dun factors. Coat is usually pale yellow or tan with chestnut (red) primitive markings.
The most obvious ways to tell whether a horse is grulla are not only the gray or tan-gray body color, but also its primitive markings, which include some or all of the following: dark face, cobwebbing around the eyes and forehead, dark mottling on the body, leg barring (sometimes called tiger striping), dark ear tips and edging, dark ear ...
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 bay. Non-dun 1 replaces the tan dun color with the darker brown of bay, but keeps the primitive markings seen on dun.