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': 'Which of the following cells of germinal epithelium of testis divides by meiosis \nSelect and explain. \nA. Type A spermatogonium, B. Primary spermatocyte, C. Spermatid, D. Secondary spermatocyte', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Inderbir Singh&;sHuman embryologyTenth editionPg 20The primary spermatocyte divides so that each of them forms two secondary spermatocytes. This is the first meiotic division', 'role': 'assistant'}]