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
True about α-thalassemia trait - 
Select and explain. 
A. Increased HbF, B. Increased HbFA2, C. Microcytosis, D. Severe anemia
C: Microcytosis
Answer: C: Microcytosis 
Explanation: None