Edexcel International GCSE Biology

Edexcel International GCSE Biology Selective Breeding Exam Questions

Free Edexcel International GCSE Biology exam questions on Selective Breeding, with mark schemes. Covers selecting and breeding plants and animals with desired characteristics.

Selective Breeding exam questions

These packs of real past exam questions cover the whole of Section 5: Use of Biological Resources, including Selective Breeding. Work through every question on this sub-topic, then mark your answers against the mark scheme.

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About Edexcel International GCSE Biology Selective Breeding

This sub-topic covers selective breeding.

What you need to know

  • Process Choosing parents with useful traits over many generations.
  • Examples High-yield crops and cattle.
  • Drawbacks Reduced variation and inbreeding.

Common mistakes in Selective Breeding

  • Confusing selective breeding with genetic modification.
  • Forgetting it takes many generations.

Try two Selective Breeding exam-style questions

1. Describe selective breeding. (2 marks)

Show the mark scheme answer

Choose parents with the desired trait and breed them (1); repeat with the best offspring over generations (1).

2. Give one disadvantage. (1 mark)

Show the mark scheme answer

Reduced genetic variation.

Selective Breeding FAQs

What does this cover?

Selective breeding of plants and animals.

How is it different from GM?

It uses natural reproduction rather than inserting genes.