Definition ■PHARMACOGENETICS Pharmacology Genetics -the study of inherited genetic differ ences in drug metabolic pathway which ca n affect individual responses to drugs,both in terms of therapeutic effect as well as adv erse effects. PHARMACOGENETICS = Pharmacology + Genetics —— the study of inherited genetic differ Definition —— the study of inherited genetic differ ences in drug metabolic pathway which ca n affect individual responses to drugs, both in terms of therapeutic effect as well as adv erse effects