OCR GCSE Biology A · J247
Specification B6.3x · Paper 2 (Foundation), Paper 4 (Higher)
Revise: Human genomePharmacogenomics examines variants that affect how a person's body responds to a drug. Proteins encoded by genes may activate, break down or transport medicines. A variant that changes one of these proteins could make a standard dose ineffective, cause the medicine to accumulate, or increase the risk of an adverse reaction.