In the humans, the gene for albinism is recessive to gene for normal skin pigmentation.  

1) a) If two heterozygous persons have children, state the probability they will have a child who is an albino?

b) Specify the probability they will have a child which is a carrier of recessive gene?

2) a) Explain the probability of child having kind of AB blood if one of the parents is heterozygous for A blood and the other is heterozygous for B blood? 

b) What other genotypes are possible for the children of these parents?