KROK 1 2016 – Question 189 · KROK (Medicine) · Biology
A person with the fourth blood group (genotype IAIB) has in erythrocytes both antigen A controlled by allele IA and antigen B controlled by allele IB. This phenomenon is an example of the following gene interation:
- A. Polymery
- B. Complementarity
- C. Semidominance
- D. Codominance
- E. Epistasis
Hint
Decide whether the interacting genes are alleles of one locus or genes at different loci, and what happens to the product of each allele in the heterozygote.
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