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: Medicine
[{'content': 'Which of the following is not a characteristic of Fanconi anaemia - \nSelect and explain. \nA. Hematologic abnormalities in infancy, B. Pancytopenia, C. Skeletal anomalies, D. Chromosome fragility', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]