This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'One of the following disorders is due to maternal disomy \nSelect and explain. \nA. Prader Willi syndrome, B. Angelman syndrome, C. Hydatidi form mole, D. Klinefelter syndrome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ref Robbins 9/e p173 Matetnal disomy is associated with disorders like prader Willi syndrome, angelman syndrome.', 'role': 'assistant'}]