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Explain selective breeding by discussing: (a) how humans choose individuals with favorable traits (b) the mating of these individuals to create the next generation (c) the selection of offspring that exhibit the desired traits

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Cambridge IGCSE BiologyVariation and selectionCore content

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Explain selective breeding by discussing: (a) how humans choose individuals with favorable traits (b) the mating of these individuals to create the next generation (c) the selection of offspring that exhibit the desired traits

  • This point belongs to Selection, especially Selection outcomes.
  • You need to be able to explain selective breeding by discussing: (a) how humans choose individuals with favorable traits (b) the mating of these individuals to create the next generation (c) the selection of offspring that exhibit the desired traits.
  • 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.

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Describe

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Paper 3 structured question: Selection

Paper 3Theory (Core)2 marks

Description

Selective Breeding Process

Humans select individuals with desirable traits and mate them. From their offspring, those showing the desired traits are chosen for further breeding.

  1. a

    Describe how humans choose individuals for selective breeding.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe what happens after the selected individuals are mated in selective breeding.

    Aim for approximately 1 distinct marking point.

    [1]
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