Question Detail

BIO 201 Genetics 1 Objective Question

Question

In the human ABO blood group system, the relationship between alleles I^A and I^B illustrates which genetic phenomenon?
Options
A Complete dominance
B Incomplete dominance
C Codominance
Correct Answer
D Recessive epistasis
Correct Answer

Option C is the correct answer.

Detailed Explanation

Alleles I^A and I^B are codominant because both the A and B antigens are simultaneously and fully expressed on the surface of erythrocytes in heterozygous individuals (I^A I^B).

Hint

No hint available

Question Info