Factors Affecting Genetic Variation

Question 1

Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.

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Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Both; Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Genetic drift; Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Gene flow

Question 2

creates new alleles from DNAbrings new alleles from other populationsrandomly selects allelesfavors certain alleles Competition for sunlight leads to taller trees.

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favors certain alleles

Question 3

creates new alleles from DNAbrings new alleles from other populationsrandomly selects allelesfavors certain alleles The DNA of a snake changes to make its venom stronger.

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creates new alleles from DNA

Question 4

creates new alleles from DNAbrings new alleles from other populationsrandomly selects allelesfavors certain alleles A grassfire randomly sweeps through a population of buffalo and kills most of the animals.

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randomly selects alleles

Question 5

Gene flowGenetic driftBoth deals with movement between populations

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Gene flow

Question 6

creates new alleles from DNAbrings new alleles from other populationsrandomly selects allelesfavors certain alleles A zebra migrates to join a different herd of zebras.

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brings new alleles from other populations; Read each example and decide what the resulting effect on the gene pool of that population would be.: brings new alleles from other populations; Read each example and decide what the resulting effect on the gene pool of that population would be.: favors certain alleles; Read each example and decide what the resulting effect on the gene pool of that population would be.: creates new alleles from DNA; Read each example and decide what the resulting effect on the gene pool of that population would be.: randomly selects alleles

Question 7

IncreaseDecrease A zebra migrates to join a different herd of zebras.

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Increase; Read each example and decide whether each would increase or decrease the genetic variation in the gene pool of that population.: Increase; Read each example and decide whether each would increase or decrease the genetic variation in the gene pool of that population.: Decrease

Question 8

Gene flowGenetic driftBoth is random

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Genetic drift; Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Genetic drift; Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Both; Complete the T-chart by categorizing each statement as something that would most likely be relevant to gene flow or genetic drift. Some answers will fit in both columns depending on the situation.: Gene flow

Question 9

IncreaseDecrease Competition for sunlight leads to taller trees.

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Decrease

Question 10

Gene flowGenetic driftBoth is a mechanism for evolution

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Both

Factors Affecting Genetic Variation Answers

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