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A coloured man (X^(c)Y) marries a woman ...

A coloured man `(X^(c)Y)` marries a woman who is carrier for haemophilia `(XX^(h))`. Which of the following is true for their progenies ?

A

`25 %` female progenies carry the genes foe both haemophilia and colourblindness

B

`25 %` male progenies carry only the gene for haemophilia

C

`25 %` female progenies carry only the gene for colourblindness

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
When a colourblind man `(X^(c)Y)` marries woman who is carrier for haemophila `(XX^(h))`, then 25 % female progenies will carry genes for both diseases, 25 % female progenies will would carry only the gene for haemophilia and 25 % male progenies would be normal.
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