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White Spotting coat colour genotypes affect the development of melanocytes.
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Specifications
| Breeds | American Quarter Horse, Icelandic Horse, American Miniature Horse, American Paint Horse, Appaloosa, Miniature Horse, Morgan, Old-Tori, Shetland Pony, Trakehner |
|---|---|
| Gene | |
| Chromosome | 16 |
| Organ | |
| Specimen | Hair, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | Autosomal Incomplete Dominant |
| Also known as | SW |
General information
White Spotting coat colour genotypes affect the development of melanocytes. Melanocytes produce melanin which is a dark pigment responsible for skin colour. Splashed white (SW) is a white spotting coat colour phenotype in horses characterised by loss of pigment. This test is designed to measure the mutation known as SW1.
Clinical features
SW1 horses are often characterised by a large broad blaze, white markings on the legs, variable white spotting on the belly and blue eyes. Furthermore SW1 horses are sometimes deaf.
Additional information
References
Pubmed ID: 22511888
Year published: 2012
Omia ID: 214
Omia variant ID: