A woman with two genes for haemophilic and a gene for colour blindness on one of the X-chromosome marries a normal man.How will the progeny be ?
A. Heamophilic and colour blind daughters
B. All sons and doughter haemophilic and colour blind
C. 50% haemophilic daughter and 50% colour blind daughter
D. Among sons 50% haemophilic and 50% haemophilic colour blind
