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O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2013 · Q381 Mark

A human cell contains all of the following. Which is the smallest in size?

Agene

Bnucleus

CX-chromosome

DY-chromosome

✓ Correct answer

A: gene

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About this question

Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2013 Paper 1 Variant 1, question 38.

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