Molecular Biology

Oligocone trichromacy is likely to be inherited as an autosomal recessive trait, but the molecular genetic basis of the disorder is unknown. Since oligocone trichromacy may have a developmental component, genes involved in retinal photoreceptor differentiation, when cone numbers are being determined, may represent good candidate genes. Since electrophysiological testing suggests that the site of abnormality may not be exclusively at the level of the photoreceptor, genes expressed preferentially in the inner retina may represent alternative candidates.

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