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The G-locus or grey gene causes progressive loss of pigment (fading) of the hair and is considered to be the “strongest” of all coat colour modifying genes.
10 Arbeidsdager
Spesifikasjoner
| Breeds | |
|---|---|
| Gene | |
| Organ | |
| specimen | Svaber, EDTA blod, heparinblod, sæd, vev |
| Mode of Inheritance | |
| Chromosome | |
| Also known as | |
| Year Published |
Generell informasjon
The G-locus or grey gene causes progressive loss of pigment (fading) of the hair and is considered to be the “strongest” of all coat colour modifying genes. The decrease of pigmentation may occur over time, leading to the disappearence of the original colour.
Kliniske egenskaper
A horse that inherits a Grey/Gray coat colour can be born in any colour. Often those horses become completely white by the age of 6-8 years, others will keep tiny non-faded spots (also called fleabites).
Tilleggsinformasjon
The dominant allele G results in the Grey/Gray coat colour and the recessive allele N does not have an effect on the basic colour. The dominant allele G has a duplication of a part of the DNA. The test does not discriminate between horses carrying 1 or 2 copies of the duplication (N/G or G/G). All horses carrying the duplication will turn grey.
Specific breeds are undefined.
Referanser
Pubmed ID: 18641652
Omia ID: 1356