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: Pathology
[{'content': 'In Hereditary spherocytosis an inherited abnormality is seen in which of the following red blood cell component - \nSelect and explain. \nA. A-globin chain, B. a-globin chain, C. Phosphatidylinositol glycan A, D. Spectrin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ideal answer is ankyrin (most commonly) but in the given options, spectrin is the best option.', 'role': 'assistant'}]