O-LevelBiologyGenetics & Variation5090/11 · May/June 2011 · Q401 Mark

In the commercial manufacture of insulin, a human gene is inserted into which of these?

Achromosome of a human cell

Bprotein molecule in a yeast cell

Cthe DNA of a bacterium

Dthe nucleic acid in a virus

✓ Correct answer

C: the DNA of a bacterium

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2011 Paper 1 Variant 1, question 40.

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