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Indicate that exposure to ionising radiation and certain chemicals can elevate the mutation rate.

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Cambridge IGCSE BiologyVariation and selectionCore content

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Indicate that exposure to ionising radiation and certain chemicals can elevate the mutation rate

This point belongs to Variation, especially Variation outcomes.
You need to be able to indicate that exposure to ionising radiation and certain chemicals can elevate the mutation rate.
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Description

Mutation rate and environmental factors

Mutations can occur naturally but certain environmental factors increase their frequency. Ionising radiation and some chemicals are known to raise the mutation rate by damaging DNA.

a
State one factor that can increase the mutation rate.
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[1]

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