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What is genetic drift? (2015)

Practice Questions

Q1
What is genetic drift? (2015)
  1. Change in allele frequencies due to chance
  2. Natural selection acting on a population
  3. Migration of individuals into a population
  4. Mutation of genes

Questions & Step-by-Step Solutions

What is genetic drift? (2015)
  • Step 1: Understand that a population is a group of organisms of the same species living in the same area.
  • Step 2: Know that alleles are different versions of a gene that can exist in a population.
  • Step 3: Realize that genetic drift happens when some alleles become more or less common in a population by chance.
  • Step 4: Recognize that this random change can have a bigger effect in small populations than in large ones.
  • Step 5: Understand that over time, genetic drift can lead to significant changes in the genetic makeup of a population.
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