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O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2021 · Q371 Mark

Some statements about chromosomes are listed. 1 A chromosome includes a long molecule of DNA. 2 Genes are found in chromosomes. 3 In cell division, the chromosome number is kept the same by meiosis. 4 The normal human chromosome number is 46. Which statements are correct?

A1, 2, 3 and 4
B1, 2 and 4 only
C2 and 3 only
D3 and 4 only

✓ Correct answer

B: 1, 2 and 4 only

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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 2021 Paper 1 Variant 1, question 37.

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