Question 36
Question 36 of 40
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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
18. Variation and selecti...
18.1. Variation

State that discontinuous variation is usually caused by genes only and continuous variation is caused by both genes and the environment

17. Inheritance
17.4. Monohybrid inheritance

Explain the inheritance of ABO blood groups: phenotypes are A, B, AB and O blood groups and alleles are IA, IB and IO