Download Meiosis Review Worksheet

Name: _______________________________________________ Block: _______ Due Date: _______________________
Meiosis Worksheet
1. How are DNA and chromosomes related?
2. What are homologous chromosomes? (Define and illustrate.)
3. What is the difference between chromosomes, chromatids, and homologous chromosomes? You may draw and
label a picture as part of your answer.
4. What is the ultimate goal/purpose of mitosis? What term do we use to describe the new cells created?
5. For each of the following state if the cell is haploid (n) or diploid (2n).
Sperm cell =
Liver cell =
Egg cell =
Stomach cell =
6. If the diploid number in a liver cell is 52, how many chromosomes are there in the egg of this organism? _________
7. What is the difference between a haploid, diploid, and zygote?
8. What is a gamete? How do we represent the chromosome number: 2n or n?
9. Cells starting mitosis & meiosis begin with a ________________________ (haploid or diploid) set of chromosomes.
10. What type of cell is created during meiosis? (Circle one.)
11. During meiosis, the chromosome number:
a) is doubled.
b) is reduced.
Gamete cells
c) remains the same.
12. How does Meiosis differ from Mitosis?
13. What does Meiosis create? Haploids or Diploid? Somatic cells or gametes?
or Somatic cells
d) becomes diploid.
14. Which letter in the figure represents meiosis? Why?
15. Which letter in the figure represents mitosis? Why?
16. Draw a tetrad:
When in the cycle would you first see a tetrad during meiosis?
17. Identify Meiosis 1 and Meiosis 2 in the picture below.
18. A sperm cell is a __________________ (gamete or zygote) and is __________________ (haploid or diploid).
19. When a sperm cell and an ovum/egg merge, they undergo the process of fertilization, and give rise to a
__________________ (gamete or zygote), which is __________________ (haploid or diploid).
20. How many times do cells divide during meiosis? _______
21. Is DNA copied before Meiosis II? _______
22. How many cells form at the end of Meiosis II? _________ How many chromosomes do they contain? _________