MITOSIS, CYTOKINESIS, MEIOSIS AND APOPTOSIS Michelle Gehringer Department of Biochemistry and Microbiology, University of Port Elizabeth, South Africa Keywords: Cell cycle, checkpoints, growth factors, mitosis, meiosis, cyclin, cyclin dependent protein kinases, G1 phase, S phase, spindle, prophase, anaphase, metaphase,
Summary: At the end of meiosis, 4 daughter cells are formed = eggs or sperm. Each contains half as many chromosomes as the parent cell (n); each cell is genetically different from its parents and from its siblings. Fertilization of an egg by a sperm restores the chromosome number to 2n.
humans), the haploid gametes produced by meiosis are called eggs â¢ The cell divisions at the end of meiosis I & II are uneven, so that 1 large egg is produced along with 3 other cells, called polar bodies, which are discarded and not involved in reproduction