A woman having blood group B marries a man having blood group A and they have four offspring. Two children are having blood group O, one having blood group B and other having blood group AB. Now, answer the following:
(i) Which blood group is dominant ?
(ii) Which blood group is recessive ?
(iii) What are the genotypes of parents?
(iv) Show the possible genotypes and phenotypes of the offspring.
(i) Both A and B are dominant.
(ii) Blood group O is recessive.
(iii) The genotype of father is AO while the genotype of mother is BO
