Mitosis

• Mitosis

  The process by which a cell divides into two or more cells
• Body cells

  • Contain 23 pairs of chromosomes
• Gametes

  • Contain unpaired chromosomes
• Chromosomes

  Carry a large number of genes that determine many of our features
• Functions of mitosis

  • Essential for growth and development of multicellular organisms
  • Repairs organisms
  • Occurs during asexual reproduction
• Interphase

  • DNA replicates forming two copies of each chromosome
  • Cell grows
  • Copies internal structures
• Mitosis

  • One set of chromosomes pulled to each end of cell
  • Nucleus divides
• Cytokinesis

  • Cytoplasm + cell membrane divide
  • Forms two identical daughter cells