This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal hematopoiesis, Subject name: Pediatrics
The two embryonic hemoglobins are: 
Select and explain. 
A. Fetal hemoglobin and Gower hemoglobin, B. Fetal hemoglobin and Poland hemoglobin, C. Poland hemoglobin and HbA2, D. Gower hemoglobin and Poland haemoglobin
D: Gower hemoglobin and Poland haemoglobin
Answer: D: Gower hemoglobin and Poland haemoglobin 
Explanation: - Gower and Poland Hb are seen in the embryonic period. - Fetal Hb is predominantly seen after the embryo changes to a fetus HEMOGLOBIN TYPES AT DIFFERENT STAGES OF LIFE: