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O-LevelBiologyGenetics & Variation5090/11 · May/June 2010 · Q391 Mark

Which statement about chromosomes is correct?

AChromosomes are long DNA molecules called genes which are divided into sections.
BChromosomes include a long molecule of DNA divided into sections called genes.
CChromosomes include genes which are divided into sections called DNA molecules.
DGenes include long DNA molecules called chromosomes.

✓ Correct answer

B: Chromosomes include a long molecule of DNA divided into sections called genes.

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About this question

Topic
Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2010 Paper 1 Variant 1, question 39.

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