Suppose a man is colorblind. What are the chances of his son inheriting color blindness from him?
0
50%
100%
None of the above
As we have already studied in Colour Blindness -
Color blindness is a recessive sex-linked disorder. It states that gene responsible for color blindness are present on X-chromosome and X-chromosome of a father is never inherited by the son. Therefore, there will be 0 chance that a son will inherit a color blindness disease from his father.
Hence, the correct option is (a).