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O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2013 · Q371 Mark

Some genotypes that occur in blood groups are given. Which genotype results in a phenotype that shows co-dominance?

AIᴬ Iᴬ
BIᴬ Iᴮ
CIᴮ Iᴼ
DIᴼ Iᴼ

✓ Correct answer

B: Iᴬ Iᴮ

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About this question

Topic
Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2013 Paper 1 Variant 1, question 37.

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