Select the correct statement regarding colour | vedclass

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(D) Colour blindness is a sex-linked recessive disorder due to a defect in either red or green cone of the eye,resulting in failure to discriminate be

Vedclass · Accepted Answer

It occurs in about $8\%$ of males and only about $0.4\%$ of females.

Vedclass · Answer

(D) Colour blindness is a sex-linked recessive disorder due to a defect in either red or green cone of the eye,resulting in failure to discriminate between red and green colour.This defect is due to a mutation in certain genes present in the $X$ chromosome.It occurs in about $8\%$ of males and only about $0.4\%$ of females because the genes that lead to red-green colour blindness are on the $X$ chromosome.Since males have only one $X$ chromosome and females have two,the incidence is much higher in males.

Select the correct statement regarding colour blindness.

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