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': 'True statement about inheritence of an X linked recessive trait is - \nSelect and explain. \nA. 50% of boys of carrier mother are affected, B. 50% of girls of diseased father are carrier, C. Father transmits disease to the son, D. Mother transmits the disease to the daughter', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 50% of boys of carrier mother are affected", 'role': 'assistant'}]