Why do cells which lack cell cycle control exhibit karyotypes which look physically different than cells with normal cell cycle.


Experiment 2: The Importance of Cell Cycle Control

For each of the five abnormalities you find online, copy and paste a picture of it (and be sure to cite the URL for the picture)—you will not be photographing your own results for this section of lab, because you’re doing your research online for the questions below.

Data Tables and Post-Lab Assessment

1.  [paste in your online picture and cite the URL]

2.  [paste in your online picture and cite the URL]

3.  [paste in your online picture and cite the URL]

4.  [paste in your online picture and cite the URL]

5. [paste in your online picture and cite the URL]

Post-Lab Questions

1. Record your hypothesis from Step 1 in the Procedure section here.

2. What do your results indicate about cell cycle control?

3. Suppose a person developed a mutation in a somatic cell which diminishes the performance of the body’s natural cell cycle control proteins. This mutation resulted in cancer, but was effectively treated with a cocktail of cancer-fighting techniques. Is it possible for this person’s future children to inherit this cancer-causing mutation? Be specific when you explain why or why not.

4. Why do cells which lack cell cycle control exhibit karyotypes which look physically different than cells with normal cell cycle.

5. What are HeLa cells? Why are HeLa cells appropriate for this experiment?

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