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': 'Which of the following is x-linked recessive \nSelect and explain. \nA. G-6-PD deficiency, B. Neurofibromatosis, C. Thalassemia, D. Alkaptonuria', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., G-6-PD deficiency", 'role': 'assistant'}]