A) all colourblind
B) 50% colourblind
C) all normal
D) 25% colourblind
Correct Answer: B
Solution :
A normal vision woman has a colour blind father so, the girl is carrier (daughters of colourblind father are either colourblind or carrier) marries a normal man whose father is also colourblind, so their ratio of sons would be Carrier woman Normal man \[\therefore \]50% of sons would colourblind and 50% of sons would normal vision.You need to login to perform this action.
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