Mutations in the rhodopsin gene disrupts the rod - opsin protein essential for translating light into decipherable electrical signals within the phototransduction cascade of the central nervous system .
The rhodopsin gene is responsible for the majority of autosomal - dominantly inherited RP cases .
Mutations in the rhodopsin gene , which is responsible for the majority of autosomal - dominantly inherited RP cases , disrupts the rod - opsin protein essential for translating light into decipherable electrical signals within the phototransduction cascade of the central nervous system .