AQA GCSE Combined Science Trilogy · 8464
Specification 4.6.2.1, 4.6.3.1, 4.6.3.4, 6.6.2.3 · Paper 2, Paper 6
A change in the DNA of an organism.
Revise: VariationA mutation is a change in DNA. Mutations occur continuously and create genetic variants. All genetic variants originally arise from mutations, although an individual can inherit a variant that first appeared in an earlier generation.
- Revise: Evidence for Evolution
A change in DNA that can produce genetic variation.
- Revise: Resistant Bacteria
A change in genetic material that can produce a new inherited characteristic.
1 more note
- Revise: Radiation Hazards, Dose and Risk
A change in genetic material. Radiation can cause mutations in genes, and some mutations can lead to cancer.