If a father and a son are both color blind and the mother is normal, is it likely that the son ...

If a father and a son are both color blind and the mother is normal, is it likely that the son inherited
  color blindness from his father? What will be an ideal response?
 
 

Question 2

An X-linked recessive gene (c) produces red-green color blindness. A normal woman whose father
  was color blind marries a color-blind man.
  (a) What are the possible genotypes for the mother of the color-blind man?
  (b) What are the possible genotypes for the father of the color-blind man?
  (c) What are the chances that the first son will be color blind?
  (d) What are the chances that the first daughter will be color blind? What will be an ideal response?