Description given on Youtube:
Where did corn come from? Genetic and archeological data point to what may seem like an unlikely ancestor. Discover the secret of corn in this HHMI BioInteractive educational video.
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. Evidence from genetics supports archeological findings pinpointing corn’s origins to a very particular time and place in Mexico. Use this video to see how a small number of genetic changes can have a dramatic effect on an organism.
For classroom activities and resources supporting this video, or to download a copy, go to http://www.biointeractive.org/popped-secret