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Oculocutaneous Albinism (OCA) is a group of disorders in which an affected animal produces little to no pigment, leading to silver/white fur, pale eyes and sometimes increased sensitivity to light.
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Specifications
| Breeds | |
|---|---|
| Gene | |
| Organ | |
| specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | |
| Chromosome | |
| Also known as | |
| Year Published |
General information
Oculocutaneous Albinism (OCA) is a group of disorders in which an affected animal produces little to no pigment, leading to silver/white fur, pale eyes and sometimes increased sensitivity to light. The variant analysed in this test, Oculocutaneous Albinism Type 1 (OCA1), is also known as Himalayan coat colour. It is an extremely rare trait, found in the Dachshund, and is likely caused by a recessive mutation to the gene TYR.
Clinical features
Affected dogs are born with an almost completely white coat, with light noses and blue eyes. Extremities like the ears and muzzle are slightly darker, and darken further with age, resembling the coat colour pattern of a Siamese cat or Himalayan rabbit. Affected dogs may also be more sensitive to light.
Additional information
References
Pubmed ID: 33039541
Omia ID: 202