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Gene Regulation

Gene Regulation. It’s all about the switches!. Transcription - Translation Review. Questions Abound. If all eukaryotic cells have the same DNA, why are there different types of cells in the same multi-cellular organism? Do all genes make proteins? Do all genes get “read”?.

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Gene Regulation

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Presentation Transcript

  1. Gene Regulation It’s all about the switches!

  2. Transcription - Translation Review

  3. Questions Abound • If all eukaryotic cells have the same DNA, why are there different types of cells in the same multi-cellular organism? • Do all genes make proteins? • Do all genes get “read”? Bacteria can enlighten us. . . . .

  4. Prokaryote Gene Regulation

  5. Prokaryotes vs Eukaryotes Gene Regulation in both is similar but there are differences. In eukaryotic cells: • No operons • Individual genes controlled • Regulation is more complex

  6. What do eukaryotic genes do? • Maintain Homeostasis via cell signaling (e.g. hormones) • Drive Cellular Differentiation • Forming different cell types • Creating different subcellular structures

  7. Steroid hormones and gene regulation

  8. Protein hormones and gene regulation

  9. Development and Gene Regulation • The Hox Genes

  10. And then there’s Epigenetics .

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