1. Homework #1 is posted and due 9/17
Bonus #1 is posted and due 10/24
Discussions start M 9/10

2. Fig 7.9
Two representations of the DNA double helix
Figure 7-9

3. The relationship between DNA and genes
a gene - DNA used to produce RNA or protein
promoter
coding region
terminator
non-gene
DNA

4. Five Perspectives of a Gene

5. Genes act as units of heredity…storing and passing on information.

6. Genes are seen as a cause of disease

7. Sickle-cell anemia is caused by a single nucleotide change in the hemoglobin gene
Fig 6.5

8. Genes code for proteins
Fig 8.11
Genes code for proteins

9. Proteins are the “doers” of the cell. They act as: Enzymes
Genes code for proteins…
Proteins are the “doers” of the cell.
They act as:
Enzymes
Structural Support
Transporters
Signals

10. Genes act as switches, controlling development

11. Genes act as switches, controlling development

12. Genes are replicators (selfish gene)
From “Biology 7th ed.” by Campbell et al fig 19.14

13. Viruses infect living cells, take over, and produce more virus.
Fig 5.25
Viruses infect living cells, take over, and produce more virus.

14. Bodies are vessels for the transmission of genes

15. Five Perspectives of Genes:
Genes act as units of heredity
Genes are seen as a cause of disease
Genes code for proteins
Genes act as switches, controlling development
Genes are replicators (selfish gene)

16. Transposons

17. Transposons: mobile DNA
Genes are replicators (selfish gene)
Transposons: mobile DNA

18. Barbara McClintock, discoverer of transposons

19. Transposons are self-moving DNA
Fig 14.8

20. Transposons move within genomes via the action of transposase
Fig 14.8
Transposons move within genomes via the action of transposase

21. Fig 14.4
transposase
transposon

22. Fig 14.4

23. Fig 14.4

24. Fig 14.4

25. Fig 14.4

26. Genes are replicators (selfish gene)
From “Biology 7th ed.” by Campbell et al fig 19.14

27. Transposons: mobile DNA
Genes are replicators (selfish gene)
Transposons: mobile DNA

28. Five Perceptions of Genes:
Genes act as units of heredity
Genes are seen as a cause of disease
Genes code for proteins
Genes act as switches, controlling development
Genes are replicators (selfish gene)