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Chestnut is a hair coat color of horses consisting of a reddish-to-brown coat with a mane and tail the same or lighter in color than the coat. Chestnut is characterized by the absolute absence of true black hairs. It is one of the most common horse coat colors, seen in almost every breed of horse.
The vast range of all other coat colors are created by additional genes' action upon one of these three base colors. Chestnut/Sorrel: A red coat with no black. The mane and tail are the same shade of chestnut or lighter chestnut than the body coat. The main color variations are: Liver Chestnut: very dark red chestnut coat. Sometimes a liver ...
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.
Body color depends on the underlying coat color genetics. A classic "bay dun" is a gray-gold or tan, characterized by a body color ranging from sandy yellow to reddish brown. Duns with a chestnut base may appear a light tan shade, and those with black base coloration are a smoky gray. Manes, tails, primitive markings, and other dark areas are ...
Cream coat colors are described by their relationship to the three "base" coat colors: chestnut, bay, and black. All horses obtain two copies of the SLC45A2 gene; one from the sire, and one from the dam. A horse may have the cream allele or the non-cream allele on each gene. Those with two non-cream alleles will not exhibit true cream traits.
The Champagne gene acting on a chestnut coat may also produce a horse with a gold coat and ivory mane and tail, distinguishable from palomino by freckled skin and light-colored eyes. [6] In most cases, a chestnut with flaxen can be distinguished from other colors by the presence of some reddish, chestnut hairs in the mane or tail.
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 chestnut horses.
The light points (pangare) color is similar to the light bellied agouti color in mice, while the no light points color is similar to recessive black in mammals. [6] In light bellied agouti mice, the agouti mRNA starts with a different noncoding exon depending on whether it is made in the dorsal or ventral region.