Question 33
Question 33 of 40
Question image for Q33
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
17. Inheritance
17.1. Variation

Understand that discontinuous variation results in a limited number of phenotypes with no intermediates, including ABO blood groups, seed shape and seed colour in peas

17. Inheritance
17.3. Inheritance

Explain codominance by reference to the inheritance of the ABO blood groups (phenotypes A, B, AB, O, gene alleles I^A, I^B and I^C)