Topic 2.2 - Cell Division

Question 1

What happens during Interphase? (2+1)

Answer 1

1) (S Phase) DNA replicates semi-conservatively
- Leading to 2 chromatids joined at a centromere
2) Number of organelles & volume of cytoplasm increases

Question 2

What happens during Mitosis? (2)

Answer 2

• Nucleus divides
• To produces 2 nuclei with identical copies of DNA produced by parent cell

Question 3

What happens during cytokinesis? (2)

Answer 3

• Cytoplasm and cell membrane divide
• To form 2 new genetically identical daughter cells