O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2012 · Q391 Mark

Some normal fruit flies are subjected to radiation in a laboratory. As a result, they produce offspring with unusual characteristics, such as white eyes. What causes this?

Acontinuous variation

Bdiscontinuous variation

Cdominance

Dmutation

✓ Correct answer

D: mutation

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2012 Paper 1 Variant 1, question 39.

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