Cone-Rod Dystrophy 4
Body function: Eyes
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CRD-NPHP4 and cord1-PRA (also known as CRD4 or CRD SWD) are the two known types of Cone-Rod Dystrophy in dachshunds. Genetic mutations in the RPGRIP1 gene contribute to progressive retinal atrophy (PRA). These mutations are autosomal recessive, meaning both parents must carry the mutation for the offspring to have symptoms.
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