Consider two parents who are both heterozygous for albinism

Consider two parents who are both heterozygous for albinism. What will be the probability of this couple having three children, one with albinism and two with normal pigmentation?

Solution

Albinism in humans, the lack of pigmentation, is a recessive trait.  A man and a woman plan to marry and wish to know the probability of their having any albino children.  What would you tell them in the following situations?
     both are normally pigmented but each has an albino parent the man is albino
     the woman is normal but her father is an albino
     the man is albino and the woman\'s family includes no albino\'s for at least three generations.