This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology, Subject name: Anatomy
Which cells undergo meisosis in the testes? 
Select and explain. 
A. Primary Spermatocytes, B. Spermatids, C. Spermatogonia, D. Secondary spermatocytes
A: Primary Spermatocytes
Answer: A: Primary Spermatocytes 
Explanation: Ans. is 'a' i.e., Primary Spermatocytes * Primary spermatocytes undergo meiosis to form secondary spermatocytes.SpermatogoniaMitosis-----Primary spermatocytesMeiosis-----Secondary spermatocytesMitosis-----SpermatidsMaturation-----Sperms