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Summarize the process of selective breeding through artificial selection over multiple generations to enhance crop plants and domesticated animals, applying this to specific examples

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Cambridge IGCSE BiologyVariation and selectionCore content

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Summarize the process of selective breeding through artificial selection over multiple generations to enhance crop plants and domesticated animals, applying this to specific examples

  • This point belongs to Selection, especially Selection outcomes.
  • You need to be able to summarize the process of selective breeding through artificial selection over multiple generations to enhance crop plants and domesticated animals, applying this to specific examples.
  • The key ideas to know are Outline.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Outline

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Paper 3 structured question: Selection

Paper 3Theory (Core)2 marks

Description

Selective Breeding Process

Farmers select plants or animals with specific desirable characteristics and breed them. The offspring with the best traits are then selected for further breeding. This process is repeated over many generations to enhance these traits.

  1. a

    State what is selective breeding?

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Identify one example of selective breeding in crop plants or domesticated animals.

    Aim for approximately 1 distinct marking point.

    [1]
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