This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
[{'content': 'In early phase division of spermatogonia by- \nSelect and explain. \nA. Meiosis, B. Mitosis, C. Both Meiosis & Mitosis, D. Maturation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is "b\' i.e., Mitosis [Ref: Principles of medical physiology p. 322J', 'role': 'assistant'}]