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Name: _______________________________________ Period: _____Date: ____________ Genetic Engineering Simulations Use FIREFOX and go to http://www.pbs.org/wgbh/harvest/engineer/. **Make sure to ALLOW & then select ALLOW & REMEMBER if you get a Pop up box!! Complete the questions below. Engineering a Crop: Selective Breeding 1. Why did farmers choose NOT to eat the best of the seeds that they produced each year? __________________________________________________________________________________________ *Click and complete the Selective Breeding simulation until you have successfully produced the largest crop possible. Make sure to keep count each time you selectively breed the corn!! 2. How many tries did it take you to successfully produce the largest crop possible using selective breeding? _______ Engineering a Crop: Transgenic Manipulation Complete the Transgenic Manipulation simulation and answer the questions as you complete the activity. 3. What is the purpose of the activity “Transgenic Manipulation?” _________________________________________ __________________________________________________________________________________________ 4. What does Bt stand for? Why would someone want this gene in a crop plant?______________________________ __________________________________________________________________________________________ 5. What is a vector? _____________________________________________________________________________ __________________________________________________________________________________________ 6. Why was the vector inserted into the bacterium?_____________________________________________________ 7. How does an Agrobacterium cell “grow?” What is the purpose and NAME of this cell division process? __________________________________________________________________________________________ 8. Why were small pieces of the tomato plant leaf added to the Agrobacterium cells?___________________________ __________________________________________________________________________________________ 9. What happens to the plant cells once they are placed in the growth medium? ______________________________ __________________________________________________________________________________________ 10. Why were the plant cells sprayed with herbicide? ____________________________________________________ __________________________________________________________________________________________ 11. How would you know if you had actually successfully produced the desired trait? __________________________________________________________________________________________ __________________________________________________________________________________________ Guess What’s Coming For Dinner: Click “What’s for Dinner” in the top right corner of the screen. Complete the Simulation: Click on each item and learn how each is being genetically engineered and why they are being genetically engineered. 12. Bananas: ___________________________________________________________________________________ 13. Pizza: ______________________________________________________________________________________ 14. Coffee: _____________________________________________________________________________________ 15. Sushi: (rice) _________________________________________________________________________________ (salmon) ______________________________________________________________________________ 16. Corn: ______________________________________________________________________________________ 17. Fruit: _______________________________________________________________________________________ 18. French fries (potatoes): ________________________________________________________________________ 19. Petunias: ___________________________________________________________________________________ Should We Grow Them? http://www.pbs.org/wgbh/harvest/exist/ Read introduction and then respond with your viewpoint to the question: Do you think we should grow GM crops? SUMMARY of Each Argument Presented: Still Grow GM crops? INTRO page summary: YES or NO 1st counterargument summary: YES or NO 2nd counterargument summary: YES or NO 3rd counterargument summary: YES or NO 4th counterargument summary: YES or NO 5th counterargument summary: YES or NO FINAL counterargument summary: Final opinion YES or NO 20. Please support your stance with 2-3 details describing why you agree or disagree with continuing to grow GM crops: Finished? Explore more interactive genetic engineering activities. Make sure you ALLOW the Plug-in when a pop up box appears! http://agbiosafety.unl.edu/education/whowants.htm *Turn into the tray when finished. Random questions will be selected and graded!