can someone help me some or all of these biology question?

[sg-hitman91]

2.A husband and wife both have normal vision, although both their fathers are red-green colour blind. What are the chances that the first child this couple has will be:

a)a normal son
b)a normal daughter
c)a red-green colour blind son
d)a red-green colour blind daughter

4.A haemophiliac father has a haemohiliac son. Give the most probable gentotypes of the parents and the child.

5.A colour blind man has a normal brother and a colour blind sister. Give the genotypes of the parents.

8.A man who has hairy pinna has a normal sister and a brother with hairy pinna. Give the genotypes of all these individuals and the probably genotypes and phenotypes of the parents.


if u can only answer one question, it'll help a lot