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Chromosomes, genes and proteins answer explanations

Review worked answers and explanations for Chromosomes, genes and proteins. Aligned to Cambridge IGCSE Biology.

Answer explanations

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.

    [2]
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