Spermatogonium $\downarrow$ Mitosis and differentiation Primary spermatocytes $\downarrow$ Meiosis-I Secondary spermatocytes $\downarrow$ Meiosis-II Spermatids $\downarrow$ Differentiation Spermatozoa
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.