O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2022 · Q361 Mark

The diagram shows the menstrual cycle. The numbers refer to the number of days after the beginning of menstruation. Which label shows a point in the cycle when implantation is most likely to occur?

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ALabel A

BLabel B

CLabel C

DLabel D

✓ Correct answer

D: Label D

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Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2022 Paper 1 Variant 1, question 36.

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