Cell division is necessary for growth, repair, replacement, and reproduction. Cell division is a regulated process. Cancer results when cells divide out of control. Mitosis is an equational division that produces genetically identical cells for growth, repair, and replacement. Meiosis is a reductional division that produces genetically unique gametes for sexual reproduction.
Genetic variability is produced in meiosis as a result of crossing over and independent assortment.
Nondisjunction of chromosomes during meiosis results in severe disorders. Information to know 1. The basic cell cycle. Stages of mitosis and major characteristics that distinguish the stages. Why and when DNA replicates in cell division.