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.
While there are a number of things to consider, it's basically meiosis that gave me different genes than my brother. Meiosis is a type of cell division that produces gametes. The term gametes is just the scientific way of saying sperm and eggs. During meiosis, one parent cell divides into two cells and then divides again to make a total of four cells.