Article
Mice heterozygous for the deafness gene have normal auditory thresholds.
Hearing research - 1 May 1993
Kirsch J P, Money M K, Webster D B
Abstract excerpt
Cochlear degeneration in the early postnatal period has been reported as a homozygous recessive mutation in deafness (dn/dn) mice of the curly-tail stock. Heterozygous (+/dn) mice of the same population exhibit hearing when tested by the Preyer reflex, and their cochlear morphology appears normal by light microscopy. However, whether the heterozygote's unmatched recessive deafness allele has deleterious effects...
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