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O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2015 · Q381 Mark

Which row in the table is correct?

Achromosome in mother's ovum X, chromosome in father's sperm X, sex of baby male
Bchromosome in mother's ovum X, chromosome in father's sperm Y, sex of baby male
Cchromosome in mother's ovum Y, chromosome in father's sperm X, sex of baby female
Dchromosome in mother's ovum X, chromosome in father's sperm Y, sex of baby female

✓ Correct answer

B: chromosome in mother's ovum X, chromosome in father's sperm Y, sex of baby male

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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 2015 Paper 1 Variant 1, question 38.

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