O-LevelBiologyCell Biology5090/11 · May/June 2023 · Q291 Mark

The diagram shows cell X which contains 24 chromosomes. It divides by mitosis to produce cells Y and Z. How many chromosomes does cell Z contain?

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.

A12

B24

C46

D48

✓ Correct answer

B: 24

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Topic: Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2023 Paper 1 Variant 1, question 29.

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