In Animals, the Inability to Make the Pigment Melanin Results

Multiple Choice

In animals, the inability to make the pigment melanin results in albinism, a recessive condition. Two unaffected parents, who have decided to have three children, have a first child that has albinism (genotype aa) . What is the probability that the second and third children will also have albinism?

A) 1/4
B) 1/2
C) 1/16
D) 9/16
E) 1 (100%)