Embryology
What is oogenesis and spermatogenesis.
These are cell divisions that produce egg and sperm cells. This process is call meiosis and the resulting cells have half the number of chromosomes as the resulting zygote cell after the egg and sperm come together. For more information on meiosis, visit the following web sites: http://www.accessexcellence.org/AB/GG/meiosis.html http://taggart.glg.msu.edu/bs110/meiosis.htm http://www4.ncsu.edu/unity/users/b/bnchorle/www/