Evolution Mechanisms: Natural Selection and Genetic Drift

There are 4 mechanisms that can lead to evolutionary change in a population by contributing to changes in genotype or allele frequency. Let's explore 2 of these evolutionary mechanisms in more detail: natural selection and genetic drift.

Topics

  • AP
  • AP Biology
  • AP Bio
  • survive
  • genetic drift
  • next generation science standards
  • NGSS
  • evolution
  • natural selection
  • allele frequencies
  • phenotype
  • genotype
  • dominant allele
  • recessive allele
  • homozygous
  • heterozygous
  • selective pressures
  • traits
  • reproduce
  • bottleneck effect
  • the founder effect
  • gene flow
  • mutation