Name: _____________________________
Class Period: _____
How Cells Divide Mitosis vs. Meiosis
Please go to the following link: http://www.pbs.org/wgbh/nova/baby/divide.html
once you are at the site please go through the reading on the first page and answer the following
questions. When answering these questions please use complete sentences.
1. What is asexual reproduction?
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2. What is sexual reproduction?
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3. How does sexual reproduction assure that the proper amount of DNA is maintained in offspring?
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4. What is the process by which cells are created with only ½ the amount of DNA as the parent cell?
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5. What is Mitosis?
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6. How is most DNA duplication is the body accomplished?
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7. What is Meiosis?
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8. What type of cells does Meiosis produce in males?
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9. What type of cells does Meiosis produce in females?
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10. How many chromosomes are found in either an egg cell or a sperm cell?
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Once you have answered all of the above questions please click on the Mitosis vs. Meiosis (the Flash
version). As you go through each stage of Mitosis and Meiosis please use the chart to record the
following information for each stage.
1. The name of the stage. (Note: This animation uses the term ProMetaphase to describe Late
Prophase. For our purposes, let’s just skip this step!!!
2. A description of what is happening in this stage. At least two points about what is happening
3. A drawing of the stage including any labels included
in the online drawing. (Meiosis only)
Mitosis (1 of 8 steps)
Before We Split
Meiosis (1 of 15 steps)
Before We Split
What are the results of Mitosis? _________ If sex cells didn’t have ½ the genetic material how
___________________________________ many chromosomes would a fertilized egg have?
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How many chromosomes are in human
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cells? ______________________________ ________________________________________
___________________________________ What are the results of Meiosis? (number of cells)
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How many chromosomes are shown in this
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example? __________________________
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___________________________________ Each chromosome will contain genetic
___________________________________ information from which parent?
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Title: Interphase
Title: Interphase
Description:
Description:
Drawing:
Title: Prophase
Title: Prophase
Description:
Description:
I
Drawing:
Title: Metaphase
Title: Metaphase
Description:
Description:
Drawing:
I
Title: Anaphase
Title: Anaphase
Description:
Description:
I
Drawing:
Title: Telophase
Title: Telophase
Description:
Description:
I
Drawing:
Title: Cytokinesis
Title: Cytokinesis
Description:
Description:
Drawing:
Title: Interphase
II
Description:
Drawing:
Title: Prophase
II
Description:
Drawing:
Title: Metaphase
Description:
Drawing:
II
Title: Anaphase
II
Description:
Drawing:
Title: Telophase
II
Description:
Drawing:
Title: Cytokinesis
Description:
Drawing:
When you have finished write a short paragraph summarizing the similarities and differences between
Mitosis and Meiosis. _________________________________________________________________
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Link to this website:
http://www.biostudio.com/demo_freeman_dna_coiling.htm
Watch the animation, then describe what happens in chromosome
coiling.
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