Inherited blindness in some cavefish arose through:
A)an individual mutant fish that displayed reproductive success.
B)atrophy of the eye when unused in darkness.
C)viral infection of the optic nerve.
D)a defect in gene splicing.
E)separate incidences of inactivating mutation in the Oca2 gene.

Question

Quizplus · Accepted Answer

Inherited blindness in some cavefish is due to separate incidences of inactivating mutation in the Oca2 gene. This has been observed in multiple populations of different cavefish species, indicating convergent evolution of this trait.

Inherited Blindness in Some Cavefish Arose Through