Mitosis & Meiosis Review
Name___________________
1. Define mitosis and meiosis:
Mitosis-
Meiosis2. What does mitosis produce? What does meiosis produce?
Mitosis-
Meiosis3. What are the 2 periods of the cell cycle called?
_______________________________
_______________________________
4. Period 1 of the cell cycle (Interphase) includes 3 parts. List these 3 parts and
give a brief explanation of what is occurring at each stage.
5. Period 2 of the cell cycle (Mitosis) includes 4 parts. List these 4 parts and
describe what is happening at each stage.
Stage 1:
Stage 2:
Stage 3:
Stage 4:
Mitosis starts with 1 body cell, how many body cells do you end up with? Are these
identical or different from the original body cell?
What period of the cell cycle does a cell spend most of its time in?
6. What is one cause of cancer, related to the cell cycle?
Mitosis or Meiosis
7. Do bacteria reproduce through mitosis or meiosis?
8. Once an egg has been fertilized (zygote), and the cell starts replicating to grow
and develop, is this cell division an example of mitosis or meiosis?
9. The process by which a new organism is produced when sex cells from two
parents combine is called _________________. (mitosis or meiosis)
10. Compare and contrast mitosis and meiosis. (So, give 3 similarities and
differences)
_________________________________ ______________________________
_________________________________ ______________________________
_________________________________ ______________________________
Meiosis
11. How many phases of meiosis are there? List the phases.
Give a brief explanation of what is occurring at each stage.
12. What is crossing over? In what phase of meiosis does it occur?
13. Why is crossing over so important?
14. What is non-disjunction?
15. How does meiosis provide for genetic variation?
16. What is Diploid? What is Haploid?