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Discover Biology, 5 th Ed. C14: DNA and Genes. What is the hereditary material? Chromosomes – DNA – Protein Genes – Located on chromosomes Source of Inherited.

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Presentation on theme: "Discover Biology, 5 th Ed. C14: DNA and Genes. What is the hereditary material? Chromosomes – DNA – Protein Genes – Located on chromosomes Source of Inherited."— Presentation transcript:

1 Discover Biology, 5 th Ed. C14: DNA and Genes

2 What is the hereditary material? Chromosomes – DNA – Protein Genes – Located on chromosomes Source of Inherited Traits – ? DNA – ? Protein

3 Frederick Griffith & pneumococcus Two strains of pneumococcus bacteria – Harmless R strain – Lethal S strain Heat-killed S strain to make it harmless Incubated R strain with heat-killed S strain – DNA from S strain transformed R strain – Transformed R strain became lethal

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6 Hershey-Chase Bacteriophage

7 Watson, Crick, Wilkins & Franklin

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9 DNA Packaging

10 DNA to mRNA: Transcription

11 Eukaryotic Genetic Expression

12 Eukaryotic Transcription Regulation

13 Prokaryotic Lac Operon

14 Translation of mRNA on Ribosome

15 Transcription to Translation


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