Red green colourblindness is a sex linked trait. Which of the given statements is not correct regarding colourblindness ?

Options

A. It is more common in males than in females
B. Homozygous recessive condition is required for the expression of colourblindness in females.
C. Males can be carriers of the trait
D. Colourblind women always have colourblind father and always produce colorblined son.

Answer

C

Explanation

Since colourblindness is a sex-linked recessive trait and males just have one X chromosome, they can never be the carriers. Males will always express the disease/phenotype.