mitosis

• what is mitosis?

  the division of the parent cell into 2 genetically identical daughter cells
• what happens in the first stage of the cell cycle?

  the DNA replicates to form 2 copies of each chromosome
• also, in the first stage the cell grows and copies its internal structures such as mitochondria and ribosomes
• what happens in the second stage of the cell cycle?

  • mitosis takes place
  • one set of chromosomes in pulled to each end
  • the nucleus also divides
• what happens in the final stage of the cell cycle?

  the cytoplasm and cell membrane divide to form 2 identical cells
• mitosis copies 1 cell into 2
• what are he 3 functions of mitosis?

  • mitosis is essential for growth and development of multicellular organisms (e.g plant and animals)
  • mitosis takes place when an organism repairs itself (e.g when a broken bone heals)
  • mitosis happens during asexual reproduction