This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemolytic anemia, Subject name: Pediatrics
Which of the following is not seen on haemoglobin electrophoresis in homozygous sickle cell anemia? 
Select and explain. 
A. HbA, B. HbA2, C. HbF, D. HbS
A: HbA
Answer: A: HbA 
Explanation: *In homozygous Sickle cell anemia, Hb electrophoresis shows - 80-90% of HbS , rest is HbF and HbA2. - However, HbA is absent .