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': 'Formation of primary ovary in female foetus takes place by \nSelect and explain. \nA. 6th week, B. 8th week, C. 10th week, D. 12th week', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. 10 weeks', 'role': 'assistant'}]