In humans, there are four types of blood; type A, type B, type AB, and type O. The alleles A and B are codominant to each other and the O allele is recessive to both A and B alleles. So a person with the genotype AA or AO will have A type of blood.
a. What possible genotypes will produce B type of blood? _____________________
b. What is the only genotype that will produce O type of blood?________________
c. What is the only genotype that will produce AB type of blood? ______________