This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Klinefelter syndrome karyotype is- \nSelect and explain. \nA. 47XXX, B. 45X0, C. 47XXY, D. 46XX\\/145X0', 'role': 'user'}, {'content': "Answer: C \nExplanation: harshmohan textbook of pathology 7th edition. *klinefelter'syndrome is an example of sex chromosome trisomy 47,XXX karyotype", 'role': 'assistant'}]