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Cambridge IGCSE Biology practice

Paper 3 structured question: Variation

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3

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1

Marks

Topic

Variation

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Paper 3Theory (Core)1 marks

Mutations can occur naturally or be caused by external factors.

Description

Causes of Mutation

Mutations can happen spontaneously during DNA replication or be caused by factors like radiation.

  1. a

    Identify one cause of mutation.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Variation

Paper 3Theory (Core)2 marks

Description

Mutation

Mutation is a change in the genetic material of an organism.

  1. a

    Describe what is meant by mutation?

    Aim for approximately 2 distinct marking points.

    [2]