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Exam-style practice

Chromosomes, genes and proteins practice questions

Practise mixed syllabus-aligned questions for Chromosomes, genes and proteins. Aligned to Cambridge IGCSE Biology.

Practice questions

Question 20 of 24

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Paper 4 structured question: Chromosomes, genes and proteins

Paper 4Theory (Extended)2 marks

Description

Haploid Nuclei in Gametes

Gametes such as sperm and egg cells have haploid nuclei to ensure the correct chromosome number after fertilization.

  1. a

    Describe why gametes have haploid nuclei.

    Aim for approximately 2 distinct marking points.

    [2]
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