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The questions in this quiz are suitable for GCSE biology students studying selective breeding, genetic engineering, cloning in plants, and cloning in animals.

If you struggled with the quiz, don't panic - we've got you! You can revise by clicking the links below.

To brush up on your GCSE variation knowledge, click on the link to your awarding body specific revision:

Click the links below to try our GCSE biology exam-style or quick-fire quizzes and test your skills and knowledge: