NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their
son being colour-blind is
- A0.75
- B0.5
- C0
- D1
View written solutionFree
Correct answer: C
Genotype of colour blind man – Xc Y
Genotype of women homozygous – XX
for normal woman

Hence, there is zero (0) probability of their son to be colour-blind.
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