What are both Sickle-cell anemia and Huntington's chorea?

Both male and female have normal vision though their fathers were colour blind,and mothers did not have any gene for colour blindness. The probability of their daughter becoming colour blind is (in $\%$)

$A$ woman with normal vision,but whose father was colour blind,marries a colour blind man. Suppose that the fourth child of this couple is a boy. What is the probability of this boy being colour blind?

Which of the following genotypes results in hemophilia in females and males respectively?
$\quad\quad$ Female $\quad\quad$ Male

Cystic fibrosis,Myotonic dystrophy,and Thalassemia are:

What is the cause of sickle cell anemia?