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
[{'content': 'Embryonic hemoglobins among the following are \nSelect and explain. \nA. Fetal hemoglobin and Gower hemoglobin, B. Fetal hemoglobin and Portland hemoglobin, C. Portland hemoglobin and HbA2, D. Gower hemoglobin and Portland hemoglobin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Embryonic hemoglobins are\xa0Gower hemoglobin and Portland hemoglobin.', 'role': 'assistant'}]