`{:("Spermatogenesis","Spermiogenesis"),("Process of formation of spermatozoa","Process of differentiation of spermatozoon from a spermatid".):}`

`{:("Spermatogenesis","Spermiogenesis"),("It changes a haploid structure into another haploid structure","It involves conversion of a diploid structure into haploid structure."):}`

`{:("Spermatogenesis","Spermiogenesis"),("Growth and divisions occur.","Divisions and growth are absent."):}`

`{:("Spermatogenesis","Spermiogenesis"),("A spermatogonium forms four spermatozoa","A spermatid forms a single spermatozoon."):}`