Name: ____________________________________

Meiosis Internet Tutorial

In this internet lesson, you will review the steps of meiosis and view video simulations of this type of cell division. You will also view an onion root tip and calculate the percentage of cells at each of the stages of cell division.

Meiosis Tutorial

go to: http://www.biology.arizona.edu/cell_bio/tutorials/meiosis/main.html

Part 1: Reproduction

1. Give an example of asexual reproduction.

2. What is a clone?

3. (Click the next button) What is the difference between haploid and diploid?

Part 2: Chromosomes in a Diploid Cell

4. What is the diploid chromosome number for humans?

5. Egg and sperm cells are [ haploid / diploid ] (click the “next” button)

Part 3: Meiosis 1 and Meiosis 2

6. Name the stage of meiosis 1 where each of the following occurs:

Homologous chromosomes pair and form synapses _______________________________________
Bivalents align at metaphase plate _______________________________________
Two complete daughter cells form _______________________________________
Nuclear membrane disappears. _______________________________________
Nuclear membrane reforms. _______________________________________
Chromosomes move to separate poles. _______________________________________

View the meiosis 1 and 2 animation

12. At the end of meiosis 2, each cell contains how many chromosomes? (click the “next” button)

Part 4: A Review of Meiosis

13. Name 2 errors that can occur during meiosis.

Test Yourself - Try some of the problem sets on the test yourself pages.

Check out http://www.cellsalive.com/meiosis.htm

14. Label these phases

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