Fertilization, Oogenesis, and Spermatogenesis
Oogenesis
Source: http://biologyandmedicineanimation.blogspot.com/2014/12/oogenesis.html
Spermatogenesis
Source: http://bio1152.nicerweb.com/Locked/media/ch46/spermatogenesis.html
The diagram below summarizes the processes of meiosis, fertilzation, and mitosis. Note that the numbers indicate either the diploid number of chromosomes in cells (46) or the haploid number (23) in gametes.