Combined Science GCSE
DNA and mutation
What DNA and mutation means in Combined Science GCSE, as defined for AQA.
Definition of DNA and mutation
Check what you remember
Read the wording for your board, then hide it and explain DNA and mutation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Random changes in the base sequence of DNA that occur continuously, for example when DNA is copied before cell division or when radiation or chemicals damage DNA.
Topics that use DNA and mutation
- Variation (AQA GCSE)
Related terms
- combination of genes and the environment
- Determine phenotype
- environment
- Environmental change and allele frequency
- Environmental variation
- Gametes
- Gene–environment interaction
- Genetic variation
Using DNA and mutation in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge