This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
First cell in RBC development is 
Select and explain. 
A. Proerythroblast, B. Intermediate normoblast, C. Reticulocyte, D. Basophilic erythroblast
A: Proerythroblast
Answer: A: Proerythroblast 
Explanation: .