This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Faster sperm is with which sex chromosome? \nSelect and explain. \nA. X chromosome, B. Y chromosome, C. Both same, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Recent data confirms that Y-sperm does not swim faster than X sperm. Ref: Gray's 39e/p-1289", 'role': 'assistant'}]