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How is genetic information expressed so it affects an organism's structure and function?

Topic

Molecular biology of gene function

Framing Question

How is genetic information expressed so it affects an organism's structure and function?

Learning Objectives

  • Describe how expansion or retraction of triplet repeats can alter gene function and create a phenotype.
  • Explain how the genetic code relates transcription to translation
  • Discuss how various factors might influence the relationship between genotype and phenotype (e.g. incomplete penetrance, variable expressivity, and sex-limited phenotype).
  • Explain how abnormalities in gene dosage can affect phenotype.

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