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: Anatomy
[{'content': 'Secondary Oocyte is : \nSelect and explain. \nA. n and N, B. n and 2N, C. 2n and N, D. 2n and 2N', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Primary Oocyte – 2n.\nSecondary Oocyte –\xa0n and 2N.\nSpermatid –\xa0n and N.', 'role': 'assistant'}]