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': 'The following are the features of13thalassemia major except- \nSelect and explain. \nA. Bone marrow hyperplasia, B. Hair-on-end appearance, C. Splenomegaly, D. Increased osmotic fragility', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Increased osmotic fragility", 'role': 'assistant'}]