A marriage between a colourblind man and a normal woman produces

Question

A marriage between a colourblind man and a normal woman produces (A) all carrier daughters and normal sons (B) 50 % carrier daughters, 50 % normal daughters (C) 50 % colourblind sons, 50 % normal sons (D) all carrier offsprings

Tardigrade Admin · Accepted Answer

Colourblindness is a recessive sex-linked trait. Man is colourblind therefore his genotype is XCY and woman is normal so her genotype is XX. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/biology/fa46607f9cef7aa60221467d7f2ec254-.jpeg" /> Hence, all carrier daughters and normal sons are produced.

Q. A marriage between a colourblind man and a normal woman produces

all carrier daughters and normal sons

$50%$ carrier daughters, $50%$ normal daughters

$50%$ colourblind sons, $50%$ normal sons

all carrier offsprings

Colourblindness is a recessive sex-linked trait. Man is colourblind therefore his genotype is $X^{C} Y$ and woman is normal so her genotype is $XX$ .

Hence, all carrier daughters and normal sons are produced.

Q. A marriage between a colourblind man and a normal woman produces

all carrier daughters and normal sons

50% carrier daughters, 50% normal daughters

50% colourblind sons, 50% normal sons

all carrier offsprings

Colourblindness is a recessive sex-linked trait. Man is colourblind therefore his genotype is XCY and woman is normal so her genotype is XX. Hence, all carrier daughters and normal sons are produced.

$50%$ carrier daughters, $50%$ normal daughters

$50%$ colourblind sons, $50%$ normal sons

Colourblindness is a recessive sex-linked trait. Man is colourblind therefore his genotype is $X^{C} Y$ and woman is normal so her genotype is $XX$ .

Hence, all carrier daughters and normal sons are produced.