Your Mother Has Albinism, Which Is a Recessive Trait

Multiple Choice

Your mother has albinism, which is a recessive trait. Your father has cystic fibrosis, which is also a recessive trait. You discover that your new father-in-law has albinism and cystic fibrosis. If neither you nor your spouse has either albinism or cystic fibrosis, what are the odds that your first child will have either albinism or cystic fibrosis, but not both?

A) 1/16
B) 3/8
C) 1/8
D) 1/4
E) 0