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Learning objective

Explain meiosis as a type of division that reduces the chromosome count from diploid to haploid, leading to cells that are genetically distinct (specific stages of meiosis do not need to be detailed).

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyInheritanceSupplement content

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Quick explanation

Explain meiosis as a type of division that reduces the chromosome count from diploid to haploid, leading to cells that are genetically distinct (specific stages of meiosis do not need to be detailed)

  • This point belongs to Meiosis, especially Meiosis outcomes.
  • You need to be able to explain meiosis as a type of division that reduces the chromosome count from diploid to haploid, leading to cells that are genetically distinct (specific stages of meiosis do not need to be detailed).
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

Why it matters

This objective helps connect Meiosis outcomes to exam-style questions, flashcards, and revision notes for Meiosis.

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Paper 4 structured question: Meiosis

Paper 4Theory (Extended)2 marks

Description

Meiosis and Chromosome Number

Meiosis reduces the chromosome number from diploid to haploid and produces genetically different cells.

  1. a

    Describe how meiosis changes the chromosome number in cells.

    Aim for approximately 2 distinct marking points.

    [2]
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