A colour blind man marries a woman who is carrier of the trait; it is expected that
A. all sons are normal and daughters are colour blind
B. all their children are colour blind
C. all daughters are normal and all sons colour blind
D. some sons and some daughters are colour blind
Answer:D
A colour blind man marries a woman who is carrier of the trait; it is expected that
A. all sons are normal and daughters are colour blind B. all their children are colour blind C. all daughters are normal and all sons colour blind D. some sons and some daughters are colour blind