BOTANY LAB EXPERIMENT : The Origin of Corn

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General Instructions Be sure to read the general instructions from the Lessons portion of the class prior to completing this packet. Remember, you are to upload this packet with your quiz for t... he week! Background Ten thousand years ago, corn didn’t exist anywhere in the world, and until recently scientists argued vehemently about its origins. Today the crop is consumed voraciously by us, by our livestock, and as a major part of processed foods. So where did it come from? Popped Secret: The Mysterious Origin of Corn tells the story of the genetic changes involved in the transformation of a wild grass called teosinte into corn.   Specific Lab Instructions Name: Date: Go to: The Mysterious Origin of Corn from HHMI Biointeractive Watch the short film, and answer these questions as you progress. Transforming plants from their wild nature to useful edible crops. 1. What was the purpose of domestication in ancient civilizations? 2. What TWO features made Dr. Beadle believe that teosinte was an ancestor of modern maize? 1. The identical nature of both maize and teosinte chromosomes. 2. The fact that teosinte and maize could produce fetal hybrid offspring. 3. Stop the film at the 6:55 and answer the following: a. Answer the Let’s Review Questions. Embed a screenshot of your answer to question 1 in this packet: [Show More]

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