If both parents are carrier for albinism and having blood group AB , what are the chances of offspring having normal pigmentation and AB blood group:-

Albinism is transmitted by genes.
Presence of complete recessive genes causes albinism.
So albinism chances are 50%.
The Blood group genes of parents with AB blood group are
Father:ABX Mother AB^;
See the checker board

	a	b
a	aa	ab
b	ab	bb

ChancesAA-25%
BB-25%
AB-50%
In the above case the Chances of Ab blood group is 50%