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
All are pharmacogenetic conditions except: 
Select and explain. 
A. Adenosine deaminase deficiency, B. Malignant hyperthermia, C. Coumarin insensitivity, D. G–6–PD deficiency
A: Adenosine deaminase deficiency
Answer: A: Adenosine deaminase deficiency 
Explanation: None