mitosis & meiosis*

• chromosome number in diploid cells is:

  2n
• chromosome number in haploid cells is:

  n
• what is the unit of genetic/DNA content


  X
• how does mitosis prevent cancer?

  • mitosis maintains genetic stability, which prevents DNA mutations that lead to cancer
  • the cells formed by mitosis will replace damaged cells that can form tumours that lead to cancer
• what is the unit of chromosome/ploidy number

  n
• how do you count the number of chromosomes


  by counting the number of centromeres
• in which phases of m phase is the nuclear envelope present?

  prophase and telophase