mitosis

Question 1

what are the 5 stages of mitosis

Answer 1

interphase prophase anaphase metaphase telophase

Question 2

what happens in prophase

Answer 2

the chromosomes condense, the centrioles start moving to opposite poles of the cell making a spindle, the chromosomes lay free in the cytoplasm after the nuclear envelope breaks down

Question 3

what happens in metaphase

Answer 3

the chromosomes line up along the centre of the cell and become attached to the spindle by their centromeres

Question 4

what happens in anaphase

Answer 4

cytokenisis starts, the centromeres divide, seperating the sister chromatids, the spindle starts contracting pulling the chromatids to opposite sides of the spindle centromere first making it appear v shaped

Question 5

what happens in telophase

Answer 5

chromatids reach the opposite sides of the spindle, they uncoil and become chromosomes again, a nuclear envelope forms around each group of the chromosomes making 2 nuclei, cytokenisis then stops