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Bio 102 - Quiz #3 Review

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Bio 102 - Quiz #3 Review

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Natural selection results in ____


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36 questions
Which of the following evolution-related events are in the correct cause-and-effect sequence?
Mutation → variation → natural selection → adaptation → speciation
What is the most accurate definition of microevolution?
Heritable changes in the genetics of a population
According to the Hardy Weinberg principle, microevolution occurs when ____
A population experiences a shift in allele frequencies
Frequency of homozygous recessive genotypes
The total gene pool for a gene with two alleles
Frequency of homozygous dominant genotypes
Frequency of heterozygotes
Frequency of the recessive allele
Frequency of the dominant allele
Which circumstance violates the conditions of the Hardy Weinberg model?
Nonrandom mating with respect to genotypes occurs between individuals.
Most new alleles probably arise from ____.
Small-scale mutations in DNA
Natural Selection
Differential survivorship or reproduction of individuals with different genotypes
Gene flow
Change in allele frequencies as individuals join a population and reproduce
Heritable change in DNA
Nonrandom mating
Choice of mates based on their phenotypes and genotypes
Genetic drift
Random changes in allele frequencies caused by chance events