Suppose Your Mother Has Albinism, Which Is a Recessive Trait

Suppose your mother has albinism, which is a recessive trait. Suppose also that your father has cystic fibrosis, which is also caused by a recessive trait. And, you learn that your father-in-law has albinism and cystic fibrosis. What are the odds that your first child will have both albinism and cystic fibrosis?

A) 1 in 2
B) 1 in 4
C) 1 in 8
D) 1 in 16