A marriage between a colourblind man and a normal woman produces

Options

A. all carrier daughters and normal sons
B. `50 %` carrier dauthters, `50 %` normal daughters
C. `50 %` colourblined sons, `50 %` normal sons
D. all carrier offsprings

Answer

A

Explanation

Colourblindnesss is a recessive sex-linked trait. Man is colourblind therefore his genetype is `X^(c)Y` and woman it normal so her genotype is `XX`

Hence, all carrier daughters and nomal sons are produced.