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Coat Colour E-locus (Chestnut) is one of the major coat colours in the horse.
10 working days
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Specifications
| Breeds | American Quarter Horse, Black Forest, Hungarian Coldblood, American Paint Horse, Belgian draught, Haflinger, Knabstrupper, Percheron |
|---|---|
| Gene | |
| Chromosome | 3 |
| Mutation | c.250G>A |
| Organ | |
| Specimen | Hair, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | Autosomal Recessive |
| Also known as | E-Locus |
General information
Coat Colour E-locus (Chestnut) is one of the major coat colours in the horse. Chestnut coat colour is characterised by a red coat with the lack of black or brown pigments. Melanocortin 1 receptor (MC1R), known as the extension (E) locus, is associated with the production and balance of black and red pigments. MC1R is the candidate gene for the chestnut coat colour in the horse. This test tests for the e^a variant found in several cold-blood breeds.
Clinical features
Chestnut coat colour is characterised by a red coat with the lack of black or brown pigments. The mane and tail of the horse have the same shade of chestnut as the body or it can be lighter compared to the body.
Additional information
References
Pubmed ID: 11086549
Year published: 2000
Omia ID: 1199
Omia variant ID: