Events of Mitosis

Question 1

Stage 1

Answer 1

-Chromosomes double up an exact copy

Question 2

Stage 2

Answer 2

• The chromosomes become shorter and coiled up

- Each chromosomes is made up of two threads called choromatids

Question 3

Stage 3

Answer 3

• The nuclear membrane disappears
• Chromosomes get attached at the equator
• spindle fibres attach to the centromere

Question 4

Stage 4

Answer 4

• Chromatids are pulled apart by the spindle fibres and move to opposite poles of the cell

Question 5

Stage 5

Answer 5

• The cytoplasm divides
• The nuclear membrane reforms round the two sets of chromosomes
• Two identical daughter cells are formed
• The chromosomes complement has been maintained new cells have same number of chromosomes