This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'All are pharmacogenetic conditions, except - \nSelect and explain. \nA. Adenosine deaminase deficiency, B. Malignant hyper-pyrexia, C. Coumarin insensitivity, D. G6PD deficiency', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Adenosine deaminase deficiency o Examples of pharmacogenetic conditions are (i) Atypical pseudocholinesterase (prolonged succinylcholine apnea); (ii) Glucose-6-phosphate dehydrogenase (G-6-PD) deficiency; (iii) Acetylator polymorphism; (iv) Acute intermittent porphyria; (v) Malignant hypehermia by halothane; (vi) Resistance to coumarin anticoagulants; (vii) inability to hydroxylate phenytoin; (viii) CYP2D6 abnormality; and (ix) Precipitation of acute angle closure glaucoma by mydriatics.", 'role': 'assistant'}]