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How can gene activity be altered in the absence of DNA changes?

Topic

Gene Expression and Regulation

Framing Question

How can gene activity be altered in the absence of DNA changes?

Learning Objectives

  • Discuss the roles of types of RNA other than mRNA in expressing genetic information.
  • Contrast the packaging of DNA into euchromatin versus heterochromatin in the context of histone modification, and DNA modification (where applicable)
  • Defend how most cells can have the same genetic content and yet have different functions in the body.
  • Discuss the potential roles of DNA modification, histone modification, and non-coding RNA in epigenetic inheritance, both somatic and germline
  • Discuss environmental impacts on epigenetic systems

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