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? 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? 1/16