SCIN 130 Lab 6: The Origin of Corn
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 the 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.
1. What was the purpose of domestication in ancient civilizations?
Transforming plants from their wild nature to useful edible crops.
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:
Question 1:
BenjaminLab6Shot1.jpeg
b. Why did botanists expect the wild relative of maize to look similar
to modern maize?
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 the 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.
1. What was the purpose of domestication in ancient civilizations?
Transforming plants from their wild nature to useful edible crops.
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:
Question 1:
BenjaminLab6Shot1.jpeg
b. Why did botanists expect the wild relative of maize to look similar
to modern maize?
