If a colourblind man marries a woman who is homozygous for normal colour vision, the probability of their son being colourblind is

A colourblind man maries a woman, who is homozygous for normal colour vision, the probability of their son being colourblind is -

If a colour blind man marries a woman who is homozygous for normal colour vision,the probability of their son being colour blind is :

If a colour blind mas marries a woman who is homozygous for normal colour vision,the probability of their son being colour blind is :

If a colour blin dman marries a woman who is homozygous for normal colour vision the probability of their son being colur blind is

If a colour -blind man marries a woman who is homozygous for normal colour vision , the probability of their son being colour -blind is

If a colour -blind man marries a woman who is homzygous for normal colour vision , the probailty of their son being colour -blind is

If a colour -blind man marries a woman who is homzygous for normal colour vision , the probailty of their son being colour -blind is