O-LevelBiologyGenetics & Variation5090/12 · May/June 2023 · Q291 Mark

The diagram shows some stages in cell division in a fruit fly. [Figure 29.1] Cell X contains 8 chromosomes. How many chromosomes are in cell Y and in cell Z?

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Acell Y: 4, cell Z: 4

Bcell Y: 4, cell Z: 8

Ccell Y: 8, cell Z: 4

Dcell Y: 8, cell Z: 8

✓ Correct answer

C: cell Y: 8, cell Z: 4

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2023 Paper 1 Variant 2, question 29.

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