Chapter 23 Review: 19631/5025700

  1. Hardy-Weinberg practice
  2. The total aggregate of alleles in a population comprise its gene
    1. pool. <==== correct
    2. flow. (wrong)
    3. loci. (wrong)
    4. mutation. (wrong)
    5. phenotype. (wrong)
      Hint
  3. Genetic drift tends to ________ genetic variation in ________ populations.
    1. reduce, large (wrong)
    2. increase, small (wrong)
    3. increase, large (wrong)
    4. maintain, small (wrong)
    5. reduce, small <==== correct
      Hint
  4. ________ evolve.
    1. Individuals (wrong)
    2. Populations <==== correct
    3. Gametes (wrong)
    4. Genotypes (wrong)
    5. Colonies (wrong)
      Hint
  5. Which of the following is NOT a requirement for a population to reach Hardy-Weinberg equilibrium?
    1. Large population size. (wrong)
    2. No mutations. (wrong)
    3. Mate choice. <==== correct
    4. No natural selection. (wrong)
    5. No gene flow. (wrong)
      Hint
  6. Under Hardy-Weinberg equilibrium, genotype frequencies are described by which equation?
    1. p + q = 1 (wrong)
    2. p * q = 1 (wrong)
    3. p - q = 1 (wrong)
    4. p2 + 2pq + q2 = 1 <==== correct
    5. p2 + q2 = 1 (wrong)
      Hint
  7. Natural selection favors certain ________ by acting on the ________ of individuals.
    1. phenotypes, genotypes (wrong)
    2. genotypes, phenotypes <==== correct
    3. genes, alleles (wrong)
    4. alleles, genes (wrong)
    5. traits, populations (wrong)
      Hint
  8. The diagram at right illustrates ________ selection.
    1. stabilizing (wrong)
    2. disruptive (wrong)
    3. intrasexual (wrong)
    4. intersexual (wrong)
    5. directional <==== correct
      Hint