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Learning objective

Explain that sexual reproduction produces variation in offspring.

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Topic

Reproduction

Subtopic

Advantages and disadvantages of sexual and asexual reproduction (biology only)

Aqa Gcse BiologyInheritance, variation and evolution

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Quick explanation

Explain that sexual reproduction produces variation in offspring

  • This point belongs to Reproduction, especially Advantages and disadvantages of sexual and asexual reproduction (biology only).
  • You need to be able to explain that sexual reproduction produces variation in offspring.
  • The key ideas to know are variation and sexual reproduction.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

variationsexual reproduction

Why it matters

This objective helps connect Advantages and disadvantages of sexual and asexual reproduction (biology only) to exam-style questions, flashcards, and revision notes for Reproduction.

Quick student answer

How do you explain sexual reproduction produces variation in offspring?

Direct answer

In Biology, this page helps you answer questions about sexual reproduction produces variation in offspring within Reproduction. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are sexual reproduction and variation.

Key terms

  • sexual reproduction: A reproductive process that involves the joining or fusion of male and female gametes, resulting in offspring with mixed genetic information.
  • variation: Differences in the characteristics of offspring produced through sexual reproduction, which can provide a survival advantage in changing environments.

Common trap

Mixing up variation with mutation: Explain that variation in sexual reproduction comes from the random combination of gametes (different alleles) during fertilisation, not from new changes in the DNA sequence. Use the example of a red‑green colour‑blind parent and a normal parent producing offspring with different combinations of alleles, not new mutations.

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