O-LevelBiologyGenetics & Variation5090/11 · May/June 2024 · Q341 Mark

For a gene with two alleles, A and a, which diagram identifies these alleles and the genotypes they can form? [Figure 34.1]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A[Diagram 34.1 Option A]

B[Diagram 34.1 Option B]

C[Diagram 34.1 Option C]

D[Diagram 34.1 Option D]

✓ Correct answer

C: [Diagram 34.1 Option C]

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2024 Paper 1 Variant 1, question 34.

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