This quiz titled 'Chapter 20 Genes With Population' explores the principles of natural selection, adaptations, gene pools, and genetic variations within populations. It assesses understanding of evolutionary mechanisms and their impact on species, enhancing learners' grasp of biological diversity and evolutionary biology.
All of the fitness within a population.
All of the individuals within a population.
All of the mutations within a population.
All of the adaptations within a population.
All of the alleles of genes within a population.
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Mendel.
Lyell.
Malthus.
Darwin.
Founder.
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2pq
2Aa
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Founder effect.
Hardy-Weinberg effect.
Bottleneck effect.
Polymorphic effect.
Adaptive effect.
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Natural selection.
Creation of new species.
Genetic drift.
Out crossing.
Increasing evolutionary resistance.
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Favoring heritable features that make the organism better suited to survive and reproduce.
Producing a constant numb of offspring while in that environment.
Surviving for a fixed amount of time.
Resisting the environment and keeping the environment from changing.
Favoring those individuals with the most favorable acquired characteristics.
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Mutation
Migration
Genetic drift
Non-random mating
Artificial selection
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Populations.
Clines.
Bottleneck areas.
Migratory areas.
Genomes.
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When immigration in and out of the area are held constant.
When changes only take place over long periods of time.
When it includes episodes of extinction.
When the population is designed to survive in new habitats.
When all of the Hardy-Weinberg assumptions are met.
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Mutation.
Migration.
Genetic drift.
Assortative mating.
Bottleneck effect.
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Little natural selection occurs in this species.
The body is long, thin and graceful.
There is very little genetic variability.
These cats are members of an endangered species.
They originally came from small areas of Africa.
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Darwin.
Lamarck.
Wallace.
Founder.
Hardy-Weinberg.
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Dominant.
Polynomial.
Polymorphic.
Heterozygous.
Somatic.
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Neutral theory.
Disassortative mating.
Shifting balance theory.
Bottleneck effect.
Founder effect.
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P and q
2pq
1 - p and 1 - q
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Genetic outflow.
Large population size.
Selection.
Inheritance of acquired characteristics.
Random mating.
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Founder effect.
Gene flow.
Genetic drift.
Assortative mating.
Mutation
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Slight; a bottleneck effect
Slight; the founder effect
Great; disruptive selection
Great; a bottleneck effect
Great; assortive mating
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The maintenance of genetic variation in the population.
Elimination of rarer genotypes because of uneven selection.
An increase in point mutations.
High population increase to maintain phenotypic variation.
Extinction of the population.
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Genes.
Fitness.
Mutations.
Adaptations.
Selection.
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Mutation.
Migration.
Genetic drift.
Assortative mating.
Selection.
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Founder effect.
Genetic bottleneck.
Point mutation.
Heterozygote advantage.
Heterozygosity.
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Variation.
Microevolution.
Macroevolution.
Fitness.
Adaptive makeup.
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The population is very large.
No gene flow occurs.
No selection occurs.
Random mating occurs.
No polymorphic loci exist in the population.
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Mating with certain trait-containing individuals.
Mating with dominant phenotypes.
Hybridization between individuals of adjacent populations.
Removing the barriers between the populations.
Physical movement of genes within an individual by transposons.
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Mutation.
Migration.
Genetic drift.
Nonrandom mating.
Selection.
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Low rates of mutation.
Many polymorphic alleles.
Little variation in physiology and behavior.
Hardy-Weinberg equilibrium.
Random mating.
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Natural selection.
Stabilizing selection.
Disruptive selection.
Directional selection.
Artificial selection.
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Elimination of a rare genotype.
Even distribution of genotype frequencies.
Increase in a rare genotype.
Increase in variation within the population.
Increase in a rare genotype and an increase in variation within the population.
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Mutation
Gene flow
Random mating
Genetic drift
Selection
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Artificial selection.
Directional selection.
Disrupting selection.
Hardy-Weinberg principle.
Founder principle.
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Wind-blown pollen
Gametes dispersed by ocean currents
Zygotes dispersed by ocean currents
Disassortive mating within a population
Hybridization between neighboring populations
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Fewer homozygotes.
Less natural selection.
More heterozygotes.
More homozygotes.
More mutations.
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A population goes extinct.
The most extreme outliers of a population are eliminated (e.g., the largest beaks and smallest beaks are eliminated).
The population is strongly selected for in one direction (e.g., larger beak size).
The population is strongly selected for in two directions (e.g., larger beak size and smaller beak size).
A population increases its variation (e.g., a wide selection of all beak sizes).
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Pike cichlids are only found below waterfalls.
Guppies transferred to pools above waterfalls remained drab if killifish were present there.
Guppy predation was greater in pools below waterfalls than above waterfalls.
Killifish can be found both above and below waterfalls.
Substantial evolutionary changes in guppy populations can occur in as few as several years.
Mutation
Natural selection
Migration
Assortive mating
Gene flow
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A population goes extinct.
The most extreme outliers of a population are eliminated (e.g., the largest beaks and smallest beaks are eliminated).
The population is strongly selected for in two directions (e.g., larger beak size and smaller beak size).
The population is strongly selected for in two directions (e.g., larger beak size and smaller beak size).
A population increases its variation (e.g., a wide selection of all beak sizes).
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Change only the expected Hardy-Weinberg allele frequencies in a population.
Change only the expected Hardy-Weinberg genotype frequencies in a population.
Change both the expected Hardy-Weinberg allele and genotype frequencies in a population.
Are kinds of selection pressure.
Are examples of random mating.
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Polymorphic alleles.
Assortive mating.
Natural selection.
Maintenance of recessive alleles in the gene pool.
No evolutionary changes.
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