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ATARMAxxing · QCE Biology revision notes

Mechanisms of Evolution: Genetic Drift, Gene Flow and Mutation

Microevolution
4 · Continuity of Life on Earth

What this note covers

  1. Allele Frequency as the Currency of Evolution
  2. Natural Selection vs Genetic Drift: A Critical Distinction
  3. Genetic Drift in Practice: The Founder Effect and Population Bottleneck
  4. Gene Flow: Connecting Populations and Homogenising Gene Pools
  5. Mutation: The Ultimate Source of Genetic Variation
  6. Interplay of Mechanisms: How They Shape Population Genetic Structure
  7. Synthesising the Mechanisms: Implications for Biodiversity and Conservation

7 sections · 14 key terms & formulas · 6 common mistakes

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