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: Medicine
All of the following are true about b thalassemia trait, Except - 
Select and explain. 
A. Microcytic hypochromic picture, B. ↑ed HbA2, C. ↑ed HbF, D. Patient requires blood transfusion
D: Patient requires blood transfusion
Answer: D: Patient requires blood transfusion 
Explanation: None