Concept
Version 6
Created by Boundless
Gametogenesis (Spermatogenesis and Oogenesis)
Spermatogenesis
During spermatogenesis, four sperm result from each primary spermatocyte, which divides into two haploid secondary spermatocytes; these cells will go through a second meiotic division to produce four spermatids.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Human Reproductive Anatomy and Gametogenesis. October 17, 2013."
http://cnx.org/content/m44839/latest/Figure_43_03_05.jpg
OpenStax CNX
CC BY 3.0.