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The Dominant White coat colour pattern in horses can be caused by any in a wide array of related mutations.
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Specifiche
| Breeds | |
|---|---|
| Gene | |
| Organ | |
| specimen | Hair, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | |
| Chromosome | |
| Also known as | |
| Year Published |
Informazioni generali
The Dominant White coat colour pattern in horses can be caused by any in a wide array of related mutations. The resulting pattern can vary anywhere between white markings on the face and legs, up to a completely white coat. Depending on both breed and pattern, variants of the Dominant White phenotype may be referred to as Splashed White, White Spotting, Tobiano or Sabino, among others.
The specific variatn analysed in this test, known as Dominant White 18 (W18), is caused by a dominant mutation to the gene KIT. It has been observed in the Swiss Warmblood.
Caratteristiche cliniche
Dominant White patterns are variable, ranging from minimal Sabino-like spotting to all-white horses. The eye colour of Dominant White horses is brown. One or two copies of the W18 allele result in horses that display some degree of white spotting, but the specific pattern cannot be predicted.
Informazioni aggiuntive
Coat colour is an intricate trait that involves a combination of multiple different genes. Testing for a range of different loci will give the most complete prediction of a horse's coat colour genetics. Dominant White can be caused by a wide range of mutations. A white-patterned horse that tests as unaffected for a particular mutation will almost certainly be affected by a different one.
Riferimenti
Pubmed ID: 23659293
Omia ID: 209