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BIOLOGY | Unit 2 : Animal Physiology | Reproduction in humans

Student Resource Centre Reproduction in Humans Answer Key Syllabus Practice Edexcel IGCSE Biology Pages 126 – 129 Pages 126–127: Q1 - Q6 Pages 128–129: Q7 - Q10 Question 1 (Skills: Critical Thinking) Which of the following describes sex cells (gametes)? A: diploid cells produced by meiosis B: diploid cells produced by mitosis C: haploid cells produced by meiosis D: haploid cells produced by mitosis 💡 View Solution & Explanation Correct Answer: C Syllabus Reasoning: Sex cells (gametes) must be haploid (containing half the normal set of chromosomes, n = 23 in humans) so that when fertilisation occurs, the resulting zygote will have the full diploid set (2 n = 46). Mei...
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