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Question

A woman with two genes for haemophilia and one gene for colour blindness on one of the 'X' chromosomes marries a normal man. How will the progeny be ?

1) 50% haemophilic colour blind sons 50% haemophilic sons

2) 50% haemoophilic daughters 50% colour blind daughters

3) All sons daughters haemophilic colour blind

4) Haemophilic and colour blind daughters

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