O-LevelBiologyGenetics & Variation5090/12 · May/June 2014 · Q341 Mark

Cell X contains 24 chromosomes. It divides by mitosis to produce cells Y and Z. [Figure 34 - Diagram showing cell X dividing into cell Y and cell 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: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2014 Paper 1 Variant 2, question 34.

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