Mitosis and meiosis

• What is variation?

  • The difference in characteristics
  • Within a population
  • Results from genetic variation
• What is meiosis?

  • Contributes to genetic variety
  • Produces sperm and egg cells (gametes)
  • Involves division twice
• Are cells identical after meiosis?

  No, cells are non-identical after meiosis.
• When are cells reproduced during meiosis?

  Cells are reproduced during meiosis.
• What does mitosis do?

  • Makes identical nucleus cells
  • Important for growth or replacing worn out cells
  • Involves one division
• Does mitosis involve halving the chromosomes?

  Yes, mitosis is halving.