2009年1月7日 星期三

Significance of cell division

Mitotic cell division
  • Growth
  • Repair and replacement of body part
  • Regeneration of the lost part of the body
  • Asexual reproduction
Meiotic cell division
  • Essential process in sexual reproduction
    -It preserve a constant number of chromosomes from generation to generation by restoring haploid condition.
  • Produce genetic variation
    -Synapsis and crossing over
    -radom separation of homologous chromosome in metaphase I and II( independent assortment)

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