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': 'True about spermatid - \nSelect and explain. \nA. Derived from primary spermatocyte, B. Derived from secondary spermatocyte, C. Undergoes mitotic division, D. Undergoes meiotic division', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Derived from secondary spermatocyte", 'role': 'assistant'}]