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: Pediatrics
All are true regarding fetal RBC's except ? 
Select and explain. 
A. Elevated 2,3 DPG, B. Decreased carbonic anhydrase activity, C. Decreased life span, D. High RBC volume
A: Elevated 2,3 DPG
Answer: A: Elevated 2,3 DPG 
Explanation: Ans. is 'a' i.e., Elevated 2,3, DPG Fetal RBC contains less 2, 3 DPG.