Milk secretion and beard growth,both the traits are

Blood group of a person is $A$ and he is suffering from albinism. What percentage of his gametes will have genotype $I^A a$?

The number of chromosomes present in a gorilla is:

The father has blood group $AB$ and the mother has blood group $O$. Which of the following blood groups can the child have?

Which of the following structures is identical in monozygotic twins?

In humans, albinism is controlled by a recessive gene '$a$'. If both parents are known to be carriers $(Aa)$ for albinism, what is the probability of having $1$ normal and $3$ albino children in a family of $4$ (in $/256$)?