O-LevelBiologyGenetics & Variation5090/11 · May/June 2018 · Q381 Mark

Which characteristics show continuous and discontinuous variation in humans?

Ablood groups, skin colour

Bfree or attached ear lobes, blood groups

Cheight, free or attached ear lobes

Dintelligence, hair colour

✓ Correct answer

C: height, free or attached ear lobes

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2018 Paper 1 Variant 1, question 38.

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