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Genetics, Populations, and Evolution · Summer Term

Epistasis and Polygenic Inheritance

Examine complex inheritance patterns where one gene affects the expression of another, or multiple genes contribute to a trait.

Key Questions

  1. Differentiate between epistasis and polygenic inheritance with examples.
  2. Analyze how epistatic interactions can lead to unexpected phenotypic ratios.
  3. Explain why polygenic traits often show continuous variation in a population.

National Curriculum Attainment Targets

A-Level: Biology - Genetics, Populations, and EvolutionA-Level: Biology - Inheritance
Year: Year 13
Subject: Biology
Unit: Genetics, Populations, and Evolution
Period: Summer Term

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