Chapter 20 Key Terms

• p. 461: macroevolution, microevolution, adaptation
  
• p. 462: electrophoresis
  
• p. 463: polymorphic, population genetics, Hardy-Weinberg equilibrium, binomial expansion, frequency
  
• p. 465: heterozygosity, mutation, migration, immigration, emigration, genetic drift, nonrandom mating, selection
  
• p. 466: gene pool, gene flow
  
• p. 468: founder principle, bottleneck effect, inbreeding, outcrossing, artificial selection, natural selection
  
• p. 470: eugenics
  
• p. 471: directional selection
  
• p. 472: stabilizing selection, disruptive selection, fitness