Unit 05 Cellular Division Review
Name: ____________________________________ Date: _____________ Period: ______
1. Give three reasons why cells divide.
2. What is a chromosome?
3. What are the steps to build a chromosome?
4. Chromosomes come in sets. The number of chromosomes in a set is also known as the
_____________________________. This is abbreviated by the letter N.
5. Cells that have only one set of chromosomes (1N) are known as? Give two examples.
6. Cells that have two sets of chromosomes (2N) are known as? Give two examples.
7. Label and describe the properties of the following images of chromosomes:
Chromosomes in G1 Phase
Chromosomes after S phase
8. What does it mean to be homologous?
9. What are the two major phases of the cell cycle?
10. What happens in each stage?
11. What are the three phases of Interphase?
12. What happens in each stage?
13. What are the two phases of M- Phase?
14. What happens in each stage?
15. What are the four phases of Mitosis?
16. What happens in each stage?
Chromosomes during Prophase I
Unit 05 Cellular Division Review
Name: ____________________________________ Date: _____________ Period: ______
17. Describe the difference between Mitosis and Cytokinesis.
18. Name two organelles that assist in Mitosis.
19. How many times does the nucleus and cell divide in Mitosis?
20. Are the products of Mitosis and Cytokinesis genetically identical or different from the original?
21. How many sets of chromosomes are there in the two daughter cells created by Mitosis and Cytokinesis?
22. Fill in the blanks with the correct process.
2N _____________ 4N ________________  (2N)(2N)
23. What is the purpose of Meiosis?
24. How many times does the nucleus and cell divide in Meiosis?
25. What are the products at the end of Meiosis II and Cytokinesis II
26. Are the products of Meiosis and Cytokinesis genetically identical or different from the original?
27. How many sets of chromosomes are there in the four daughter cells created by Meiosis and Cytokinesis?
28. Fill in the blanks with the correct processes.
2N _______________  4N ____________  (2N) (2N) ______________  (1N) (1N) (1N) (1N)
29. What are the ten stages involved in Meiosis?
30. What happens during Prophase I of Meiosis I that doesn’t happen anywhere else?
31. Why is this important?
32. What’s the difference between asexual reproduction and sexual reproduction?
33. Why is meiosis necessary for sexual reproduction?
34. What do we call it when a sperm and egg cell come together?
35. What is created when a sperm and egg cell come together?
36. Is it diploid and haploid? How do you know?
37. Know the following Latin Root words: Chrome, Some, Centro, Mere, Kine, Di, Hap, Tetra, Homo, Logos, and Mei