Factors Affecting Genetic Variation-Standard Bio 4.3

Question 1

The sum of the genetic traits in this population is called its .

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gene pool

Question 2

Drives the changes that occur in populations

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natural selection

Question 3

A permanent change in the DNA sequence of a gene

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mutation

Question 4

If having long fur helps a guinea pig survive, what would you expect to see change in the population as it evolves?

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the F allele is more common

Question 5

There is a total of alleles in this population.

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8

Question 6

The transfer of genes from one population to another

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gene flow

Question 7

The random change in the frequency of an allele in a population

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genetic drift

Factors Affecting Genetic Variation-Standard Bio 4.3 Answers