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Progressive Retinal Atrophy, Type B

Breeds

Relevance Rating: The test is unknown, there is no evidence (i.e. research) available, or it has not been evaluated yet. These tests may or may not be meaningful in this breed

General

Disease Name
Progressive Retinal Atrophy, Type B
Mutation
unpublished
Test Type
Genetic Disease/Disorder
Details
PRA Type B identifies a risk variant for the disease. (i.e. it is not a definative yes/no risk answer, but may aid in identifying at-risk or low-risk dogs). The Type B PRA test results are reported as causal or "risk variant", because, although dogs carrying two copies of the variant are very likely to develop PRA, a percentage of the research sample set that were homozygous for the variant did not develop PRA by 7 years of age. Owners and breeders using a test for this disease should review breeding guidance from the test provider or a specialist.
Details 2
PRA: Type B identifies a risk variant for the disease. (i.e. it is not a definative yes/no risk answer, but may aid in identifying at-risk or low-risk dogs). The Type B PRA test results are reported as causal or "risk variant, because, although dogs carrying two copies of the variant are very likely to develop PRA, a percentage of the research sample set that were homozygous for the variant did not develop PRA by 7 years of age. It is not clear at this time whether the variant represents a causal mutation ?and that other factors influence the ?penetrance? of the mutation.
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