Harvest of Fear
Terms in this set (21)
What is The E.L.F.?
Earth Liberation Front
What devastated the Papaya crop in Hawaii?
The papaya ring spot virus. Barriers and chemicals could not stop the spread.
How did the researchers solve the papya ring spot virus problem?
Genetically engineering a papaya that is 'vaccinated' against the ring spot virus.
What was one of the early genetic modifications for corn?
BT corn- Corn that is modified to produce BT (bacillus thuringiensis) a toxin to kill the corn bore caterpillar.
What school is at the center of Agricultural Research?
How is the "natural fiber" cotton a problem for the environment?
#1 user of pesticides and therefore a large pollution or environmental issue
What are GMO's?
Genetically Modified Organisms
Why do most GMO's not need to be labeled?
After genetic testing the contents or genes present graph out the same.
Who are the USDA?
United States Department of Agriculture- Checks if food is safe to grow
Who are the FDA?
Food and Drug Administration - Checks is it is safe to eat.
Who are the EPA?
Environmental Protection Agency-Checks if it is safe for environment.
Why are allergies an issue with GMO's?
Adding genes from something a person is allergic to, to something someone is not allergic to, it will cause them to now be allergic to it.
What is main issue behind the "Starlink" corn?
It contained a protein that was engineered to make a toxin called Cry9C. It was not toxic to humans, but rather it took too long to digest, making it a potential allergen.
How did "Starlink" corn, meant only for animal consumption, end up in food produced for humans?
Simply put, human error. It's an error that could have happened at many different levels of the production chain.
Give an example of a risk that conventional plant breeding can cause?
Potatoes can be bred to have high levels of a toxin called glycoalkaloids, which can poison humans.
What are two major differences between conventional breeding and genetic engineering?
Conventional breeding mixes tens of thousands of genes at once, genetic engineering is much more precise and can move select single genes.
Conventional breeding can only transfer genes from similar forms of life, genetic engineering can cross those lines and breed between species.
What role did the monarch butterfly play in America's view of GMO's?
The American people took note that the monarch caterpillars were being killed by the pollen of BT corn in lab studies. Gave some people the first look at what the future could look like.
How could discontinued use of GM crops, such as BT corn or cotton, actually cause more damage to the environment?
Producers would have go back to using more synthetic chemicals. These chemicals are not as selective as the BT gene (goodbye more caterpillars), and could also end up causing pollution.
What is Organic Farming?
Production of food and fiber in a more natural way, no chemicals, no GMO's.
What is the resistance problem?
Toxins (such as BT or other manmade pesticides) will not kill 100% of the pests. The pests that do survive are considered resistant. They can breed with other pests that are resistant and produce a new generation of resistant pests.
Who is Norman Borlaug?
Won the Nobel Peace Prize for his work with engineering crops that can be produced in developing countries to save them from starvation.
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