Red-green color blindness

An X-linked recessive gene (c) produces red-green color blindness. A normal woman whose father was color blind marries a color-blind man. What are the: 

a) possible genotypes for the mother of the color-blind man?
 b) possible genotypes for the father of the color-blind man? 
c) chances that the first son will be color blind? 
d) chances that the first daughter will be color blind? 

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