(a(i))[1]
State the blood group for a person with genotype $I^A I^O$.
(a(ii))[1]
State the genotype for a person who is blood group O.
(b(i))[2]
Complete this Punnett square so that the child's possible genotypes are shown.
(b(ii))[1]
What is the probability that this child is male and has blood group A?
(b(iii))[1]
How many individuals in the family tree in Fig. 7.1 are homozygous for the ABO blood group alleles?