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BSC 108 Lab 10 Biotechnology – Dependent and Independent Variables Lab and Journal Worksheet (Alabama)

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BSC 108 Lab 10 Biotechnology – Dependent and Independent Variables Lab and Journal Worksheet (Alabama)

Experiment 1

1. What is your dependent variable? What is your independent variable?

2. What is your hypothesis?

Experiment 2

3. What is your dependent variable? What is your independent variable?

4. What is your hypothesis?

Experiment 3

5. What is your dependent variable? What is your independent variable?

6. What is your hypothesis?

Biotechnology – Dependent and Independent Variables Journals

Instructions: Answer the questions below, based on the three experiments for this lab.

1. How is Bt corn genetically modified?

2. How does Bt corn kill insects?

3. What are your conclusions from Experiment 1?

4. What are your conclusions from Experiment 2?

5. What are your conclusions from Experiment 3?

6. Were all corn varieties equally effective at controlling the ECB?

7. Is it an advantage or disadvantage for the farmer to plant Bt corn instead of non-BT varieties in a year when there is no ECB infestation? Why?

8. Discuss possible benefits of transgenic organisms such as Bt corn.

9. Discuss possible drawbacks of transgenic organisms such as Bt corn.

10. How might the farmer's yield be affected if the Bt corn killed beneficial insects such as honeybees and butterflies?

11. What might happen if ECB populations became resistant to Bt?

12. Is Bt corn currently being sold in grocery stores? Note that the information in the Greenhouse Handbook may not be up to date.

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