This zip file contains many different activities (40 pages of student handouts and 2 PowerPoints with a total of (62 slides) which can be used to compose a unit for AP Biology or advanced Biology students on Meiosis/Gametogenesis). Concepts dicussed and evaluated include the process of meiosis, results of meiosis, sources of variation such as crossing over, some consequences of errors in meiosis (Down syndrome, nondisjunction, etc) and specifics about oogensis and spermatogensis are presented.