1. 5/2 Exam 3 in ART 1.102
Review 4/30 in class and 5/1 at 5pm in GRG 102
Bonus 3 is due now.
4/30 homework 4 (12 pts max)

2. Agricultural
Hunter-
Gatherer
Industrial

3. from Teosinte Maize By artificial selection that
began ~10,000 years ago.

5. Different foods
from one
species of plant.
Created by
artificial
selection.

6. Wild member of Brassica oleracea: small side buds
Artificial selection
Number of Individuals
Size of buds (cm) 1 2 3
1. Select individuals
that have the largest
side buds and breed them.
2. Of the offspring,
select individuals that
have the largest side
buds and breed them.
3. Of the offspring,
4. After several
generations, bud size
increases dramatically.
Figure: 1.3a
Caption:
(a) This plant is a wild member of the mustard family. It is the progenitor of broccoli, Brussels sprouts, and other domesticated plants.
Brussels sprouts:
extremely large side buds

7. Human resource production and use

8. Human resource production and use

9. Land use in USA, 1997

10. Agricultural
Hunter-
Gatherer
Industrial

11. from DNA: the Information to proteins: the Actors nucleus DNA RNA
cytoplasm
to proteins:
the Actors
protein

12. Combinations of 3 nucleotides code for each 1 amino acid in a protein.

13. Genetic Engineering: Direct manipulation of DNA

14. Genetic Engineering: Direct manipulation of DNA
Genetic Engineering of plants using Agrobacterium is very common.

15. Agrobacterium infect plants, inserting their DNA into the plants genome.

16. Transforming plants

17. Global Area planted with GM Crops
size of Texas, 172
Millions of Acres

19. Common Genetically Modified Crops
% of Total US Acres

20. Why Change a Plant’s DNA?
Can change plant so that it has new or different characteristics
Produce needed protein
Insect resistance (Bt toxin)
Herbicide resistance (Round-up)
Drought or other stress resistance

21. Types of Genetically Modified Crops
Herbicide Tolerance; Insect Resistance; Viral Resistance

22. Is Genetically Modifying Plants a Good Idea?
size of Texas, 172
Millions of Acres

23. Is Changing an Organism’s DNA a Good or Bad Idea?
Genes flow within species and between species.
Are GM foods safe for the environment?
Are herbicide or insect resistant plants safe to eat?
Are GM foods profitable for:
Consumers, Farmers, and Companies?

24. Pollution in Gulf of Mexico from run-off in the Mississippi river
AAL 25.17

25. Pollen is easily transferred from plant to plant, and to related species.

26. GM crops found in Oaxaca and other MX states
Genetic information moves.
GM crops found in Oaxaca and other MX states
GM crops illegal

27. GM crops found in Oaxaca and other MX states
Genetic information moves, and is self-replicating.
GM crops found in Oaxaca and other MX states
GM crops illegal

28. Is Changing an Organism’s DNA a Good or Bad Idea?
Genes flow within species and between species.
Are GM foods safe for the environment?
Are herbicide or insect resistant plants safe to eat?
Are GM foods profitable for:
Consumers, Farmers, and Companies?

29. N. Am. Forest
An inter-connected ecosystem

30. Danger of GM crops to other organisms

31. Danger of GM crops to other organisms

32. Danger of GM crops to other organisms

33. Danger of GM crops to other organisms

34. Danger of GM crops to other organisms

35. Many Questions, but Few Answers?
Genes flow within species and between species.
Are GM foods safe for the environment?
Are herbicide or insect resistant plants safe to eat?
Are GM foods profitable for:
Consumers, Farmers, and Companies?

36. Common Genetically Modified Crops
% of Total US Acres

37. Many Questions, but Few Answers?
Genes flow within species and between species.
Are GM foods safe for the environment?
Are herbicide or insect resistant plants safe to eat?
Are GM foods profitable for:
Consumers, Farmers, and Companies?

38. Where does the information about genetically modified foods come from?