Biology A-Level
oncogenes
What oncogenes means in Biology A-Level, as defined for AQA.
Definition of oncogenes
Check what you remember
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Reference: AQA
A mutation can turn a proto-oncogene into one of these, whose protein is permanently active or overproduced, so the cell divides uncontrollably.
Topics that use oncogenes
- Gene expression and cancer (A-level only) (AQA A-Level)
Related terms
- abnormal methylation
- benign and malignant tumours
- oestrogen and breast cancer
- tumour suppressor genes
- metastasis
Using oncogenes in the exam
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