This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: The Ovarian Cycle, Subject name: Gynaecology & Obstetrics
Secondary oocyte contains - 
Select and explain. 
A. 23, X, B. 46, XY, C. 46, XX, D. 23, Y
A: 23, X
Answer: A: 23, X 
Explanation: Ans. is 'a'i.e., 23, X o OOGENESIS: