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Mechanisms of Evolution: Hardy-Weinberg Equilibrium
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Mechanisms of Evolution: Hardy-Weinberg Equilibrium

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Questions and Answers

What is the condition for the allele frequencies in the gamete pool to be the same as the overall frequency of each allele in the present generation?

  • Gene flow is restricted
  • No selection pressure is present (correct)
  • Genetic drift occurs
  • Random mating occurs
  • What is the effect of the bottleneck effect on the genetic diversity of a population?

  • It decreases the genetic diversity (correct)
  • It has no effect on genetic diversity
  • It increases the genetic diversity
  • It leads to fixation of alleles
  • What is the role of gene flow in a population in Hardy-Weinberg equilibrium?

  • It leads to fixation of alleles
  • It has no effect on genetic diversity
  • It increases genetic diversity (correct)
  • It leads to genetic drift
  • What is the relationship between the allele frequencies and genotype frequencies in a population in Hardy-Weinberg equilibrium?

    <p>The allele frequencies determine the genotype frequencies</p> Signup and view all the answers

    What is the effect of natural selection on the genetic diversity of a population?

    <p>It decreases genetic diversity</p> Signup and view all the answers

    What is the primary condition for a population to be in Hardy-Weinberg equilibrium?

    <p>All alleles confer equal fitness, and there is no natural selection.</p> Signup and view all the answers

    What is the fundamental assumption in Hardy-Weinberg equilibrium regarding the alleles in the gamete pool?

    <p>They mirror those in the parent generation</p> Signup and view all the answers

    What would happen to the genetic diversity of a population if it experiences a bottleneck effect?

    <p>The population's genetic diversity would decrease due to the loss of alleles.</p> Signup and view all the answers

    What is the primary mechanism by which genetic diversity is reduced in a population?

    <p>Genetic drift</p> Signup and view all the answers

    What is the term for the process by which a single allele becomes fixed in a population, leading to a loss of genetic diversity?

    <p>Fixation</p> Signup and view all the answers

    What is the result of a severe reduction in population size, leading to a loss of genetic diversity?

    <p>Bottleneck effect</p> Signup and view all the answers

    What would happen to the allele frequency of a population if there is gene flow from a neighboring population?

    <p>The allele frequency would change due to the introduction of new alleles.</p> Signup and view all the answers

    What is the term for the collection of alleles present in a population?

    <p>Gene pool</p> Signup and view all the answers

    What is the term for the movement of alleles from one population to another, leading to an increase in genetic diversity?

    <p>Gene flow</p> Signup and view all the answers

    What is the process by which a single allele becomes fixed in a population, leading to a loss of genetic diversity?

    <p>Fixation</p> Signup and view all the answers

    What is the outcome of a population experiencing a bottleneck effect?

    <p>Reduced genetic diversity due to the loss of alleles</p> Signup and view all the answers

    What is the primary factor that maintains genetic diversity in a population in Hardy-Weinberg equilibrium?

    <p>Random mating</p> Signup and view all the answers

    What is the result of gene flow in a population in Hardy-Weinberg equilibrium?

    <p>Increased genetic diversity due to the introduction of new alleles</p> Signup and view all the answers

    What is the difference between genetic drift and natural selection in terms of their impact on genetic diversity?

    <p>Genetic drift reduces genetic diversity, while natural selection increases it</p> Signup and view all the answers

    What is the relationship between allele frequency and genetic diversity in a population in Hardy-Weinberg equilibrium?

    <p>A high allele frequency leads to high genetic diversity</p> Signup and view all the answers

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