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Mitosis and Meiosis Webquest
Honors Biology
Name: ________________________
Date: ___________ Period: _______
Learning Target: I can evaluate the role of mitosis and meiosis as it relates to growth and repair of the human
body.
PART A: Prokaryotic Cell Division:
Start at the following webpage: http://www.cellsalive.com/cells/bactcell.htm
1. Name three ways prokaryote cells differ from eukaryote cells.
a. ______________________________________________________________________________
b. ______________________________________________________________________________
c. ______________________________________________________________________________
2. Draw a prokaryotic cell:
Go to the following webpage: http://www2.estrellamountain.edu/faculty/farabee/Biobk/BioBookmito.html
3. Write your own definition of binary fission: ________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
Go to the following webpage: http://plaza.ufl.edu/alallen/pgl/modules/rio/stingarees/module/index.html
4. List the four organelles involved in cell division:
a. _________________________
c. _________________________
b. _________________________
d. _________________________
5. What is the role of the centrioles in cell division? ___________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
Click on the tab, “What Does Mitosis Do?”
6. What are the 2 major functions of mitosis? ________________________________________________
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Click on the tab, “Built-in Controls in Mitosis”
7. What are the 2 ways that cells “know” to stop dividing? ______________________________________
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
Go back to the following webpage: http://www2.estrellamountain.edu/faculty/farabee/Biobk/BioBookmito.html
8. What ends the cell division process where one cell splits from the sister cell? ______________________
____________________________________________________________________________________
9. Some cells divide rapidly. Example? _____________________________________________________
Some cells do not divide at all after maturity. Example? ________________________________
10. In binary fission, are the reproduced cells genetically the same or different from each other?
_________________________________________________________________________
11. What is the genetic relationship between resulting cells in mitosis (genetically the same or different)?
____________________________________________________________________________________
12. Label the following steps of the cell cycle:
Go to the following webpage: http://www.cellsalive.com/
1. Click on the right side where it says “Cell Cycle”
2. Describe each part of the cycle below:
a. Interphase: ____________________________________________________________________
______________________________________________________________________________
b. G0: __________________________________________________________________________
______________________________________________________________________________
c. G1: __________________________________________________________________________
______________________________________________________________________________
d. S: ___________________________________________________________________________
______________________________________________________________________________
e. G2: __________________________________________________________________________
______________________________________________________________________________
f. M: ___________________________________________________________________________
______________________________________________________________________________
PART B: Meiosis
Please go to the following webpage: http://www.cellsalive.com/meiosis.htm
13. Why is meiosis important? _____________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
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____________________________________________________________________________________
14. Start the animation. What do the chromosomes do in Prophase I? _____________________________
____________________________________________________________________________________
____________________________________________________________________________________
15. Compare how chromosomes line up on the equator (for separation) in Metaphase I and II? Include a
diagram. ____________________________________________________________________________
____________________________________________________________________________________
16. In which phase are the number of chromosomes divided in half? _______________________
Is this part of meiosis I or meiosis II? ______________________________
17. Label the following steps of Meiosis:
18. How does mitosis and meiosis play a role in the growth and development of the human body? Use all
the information you have read and learned so far to answer this question.
____________________________________________________________________________________
____________________________________________________________________________________
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PART C: Comparing and Contrasting Mitosis and Meiosis
Visit the following web pages to compare and contrast mitosis and meiosis.
http://www.biology.arizona.edu/CELL_BIO/tutorials/meiosis/problems.html
http://www.cellsalive.com/meiosis.htm
http://www.stolaf.edu/people/giannini/flashanimat/celldivision/meiosis.swf
http://www.pbs.org/wgbh/nova/baby/divide.html#
Fill in the following Venn Diagram with the terms listed below:
Terms:
Asexual reproduction
Sexual reproduction
Different Chromosome number
One part to cell division
Two parts to cell division (I and II)
Chromosomes
Mitosis ONLY
Haploid
Sex cells
Somatic cells
Cell division
Growth
Human reproduction
BOTH
Mitosis & Meiosis
Meiosis ONLY