If a haemophilic man marries a carrier woman than which of the following holds true for their progenies ?

Options

A. 50 % daughters are carrier and 50 % are haemophilic
B. All the daughters are haemophilic
C. All sons are haemophilic and all daughters are normal
D. All sons normal, all daughters carriers

Answer

A

Explanation

When a haemophilic man `(X^(h) y)` marries a carrier woman `(XX^(h))`, then `50 %` daughters are carriers and 50 % are haemophlic