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Solution
The correct option is A Spermatogonia ➜ Spermatocytes ➜ Spermatids ➜ Spermatozoa The process which involves the formation of spermatozoa (sperms) from spermatogonia is called spermatogenesis.
The spermatogonia undergo mitosis continuously and increase in number. Some of them differentiate to form primary spermatocytes.
The primary spermatocyte undergoes meiosis I to give rise to secondary spermatocytes.
The secondary spermatocytesundergo meiosis II to form spermatids.
The spermatids undergo morphological changes to form the sperms or spermatozoa.