The NCAA has instituted strict guidelines for eligibility under medical exceptions for banned substances, including stimulants used to treat ADHD/ ADD, medications for male-pattern baldness, peptide hormones (hGH), and anabolic steroids (testosterone) or any other medications banned* by the NCAA.
Meiosis also differs from mitosis in that it involves a process known as recombination, during which chromosomes exchange segments with one another. As a result, the gametes produced during meiosis are genetically unique.
Gamete production is the main job of a gametophyte. Gametes are haploid reproductive cells, such as eggs and sperm. They are produced in sex organs on the haploid gametophyte by mitosis, or cellular division without reduction of chromosome sets. There are two sex organs, or gametangia, found in gametophytes: