short presentation about genetically modifies organism

1. GMO

2. Vocabulary

3. Vocabulary

4. Corn
For 8,000 years, corn has been a staple in the
diet of livestock and humans alike.

5. The problem…
A number of pests plant their larvae into the corn stalk. The
larvae hatch and becomes caterpillars. Caterpillars then eat
the corn as they grow and mature.
© 2012 Nature Education a, c, d photos courtesy of Marlin Rice, b photo courtesy of Gary Munkvold. All rights reserved.

6. The Million Dollar Bug
The European corn borer (Ostrinia nubilalis) was
named the million dollar bug because it cost
growers over a billion dollars annually in
insecticides and lost crop yields.

7. Scientist inspecting maize roots from (a) non-Bt maize hybrid and (b) Bt maize
hybrid
(c)rootworm larva (white arrow) feeding on maize root
(d)adult western corn rootworm.
© 2012 Nature Education Photos (a), (d) courtesy of Marlin Rice; Photo (b) courtesy of John Tollefson. All
rights reserved.

8. What is Bt corn?
Bt-corn is a type of (GMO) genetically modified
organism.
Bt stands for the term- Bacillus thuringiensis.
Bacillus thuringiensis is a species of bacteria that
produces proteins that are toxic to certain insects. This
bacteria is found in soil naturally.

9. Corn can be genetically engineered to
produce these specific toxins.
Bt corn has resistance traits, which at high
levels, reduce the damage from those pesky
insects!

13. Corn
Almost 85% of corn grown in the U.S. is
genetically modified.

14. What other Foods are GM?

15. Yellow Crookneck Squash and Zucchini
Genetically modified to
protect against viruses
GM squash with virus resistance (top)
protects the squash from the damaging
effects of the virus (bottom).

16. Cotton
Cotton was infested with bollworm infestation. Bt
cotton deflects insects much like Bt corn.

17. Papayas
The ringspot virus and fungus rot were a huge
problem for the Hawaiian papaya industry.
Genetically modified papayas show resistance to the
virus and fungus.

18. Soy
Soy is modified for a
variety of purposes.
Most common
modifications are
resistance to insects
and fungus
AND
enriching its vitamins,
fat and/or protein
content.

19. Milk
Milk contains rBGH (recombinant bovine growth
hormone). The hormone injected from bacteria allows
higher milk yields by keeping milk-producing cells alive
in cows for longer than normal.

20. “Golden Rice”
Golden rice is
genetically modified
to increase levels of
pro-vitamin A, vitamin
E, iron, zinc, and to
enhance protein.

21. Tomatoes
The tomato was the very first widespread genetically
modified food available in the United States. The
tomato was bred with a gene that keeps the plant
from producing polygalacturonase, an enzyme that's
the starting point for rotting.

24. GMO
Is it good? Is it bad?