OCR GCSE Biology B · J257
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Genetic Testing and MedicineGenetic testing is therefore a powerful source of evidence for decisions, not an infallible prediction or a decision made on someone’s behalf.
- Revise: Benefits and Risks
An examination of DNA for particular alleles or genetic variants, often to estimate disease risk or inform healthcare and family planning.