Question 1

If half of a population is homozygous recessive, what is p?

Accepted Answer

A)   0.5
B)   0.707
C)   0.25
D)   0.293
E)   0.1F) A) and E)
G) A) and D)

Question 2

Which of the following is most likely to lead to two distinct species?

Accepted Answer

A)   directional selection
B)   stabilizing selection
C)   disruptive selection
D)   genetic drift
E)   bottleneck effectF) B) and E)
G) A) and C)

Question 3

Why does the malaria disease persist in the human population?

Accepted Answer

A)   Too few humans have died of malaria to end the disease.
B)   Multiple phenotypes survive in a balanced polymorphism.
C)   Malaria is a recessive disease and few humans are ever sick.
D)   Humans are protected from the malaria parasite.
E)   The disease is under stabilizing selection.F) A) and B)
G) A) and C)

Question 4

Polydactylism (possessing more than five fingers per hand) within the Amish population in Pennsylvania is considered an example of founder effect. This is because the frequency of polydactylism among the Amish in Pennsylvania is identical to its frequency among the Amish population in Germany.

Accepted Answer

A) True 
 B)False

Question 5

In the figure shown here, flower color of a population is distributed in a bell-shaped normal curve. If the white and yellow flower colors increase in frequency in the population, this would illustrate

Accepted Answer

A)   stabilizing selection.
B)   disruptive selection.
C)   directional selection.
D)   genetic drift.E) All of the above
F) None of the above

Question 6

A group of field mice cross a highway and join a new population of field mice on the other side, producing offspring with this population. This is an example of

Accepted Answer

A)   gene flow.
B)   genetic drift.
C)   Hardy-Weinberg equilibrium.
D)   assortive mating.E) All of the above
F) None of the above

Question 7

A fraction of the original green frog population survives to reproduce and generate the new population. If the survivors of the original population survived by chance, then this event is an example of

Accepted Answer

A)   natural selection.
B)   genetic drift.
C)   founder effect.
D)   industrial melanism.E) A) and B)
F) A) and C)

Question 8

The conditions required by the Hardy-Weinberg equilibrium are commonly found in nature.

Accepted Answer

A) True 
 B)False

Question 9

Natural selection will favor directional, stabilizing and disruptive selection in the same population simultaneously.

Accepted Answer

A) True 
 B)False

Question 10

Biotic environments that influence natural selection includes all but which of the following?

Accepted Answer

A)   competition
B)   predation
C)   parasitism
D)   weather
E)   diseaseF) A) and B)
G) C) and D)

Exam 15: Evolution on a Small Scale

The conditions required by the Hardy-Weinberg equilibrium are commonly found in nature.

Correct Answer
verified

Biotic environments that influence natural selection includes all but which of the following?

Correct Answer
verified

Polydactylism (possessing more than five fingers per hand) within the Amish population in Pennsylvania is considered an example of founder effect. This is because the frequency of polydactylism among the Amish in Pennsylvania is identical to its frequency among the Amish population in Germany.

Correct Answer
verified

Why does the malaria disease persist in the human population?

Correct Answer
verified

Natural selection will favor directional, stabilizing and disruptive selection in the same population simultaneously.

Correct Answer
verified

In the figure shown here, flower color of a population is distributed in a bell-shaped normal curve. If the white and yellow flower colors increase in frequency in the population, this would illustrate

Correct Answer
verified

If half of a population is homozygous recessive, what is p?

Correct Answer
verified

A group of field mice cross a highway and join a new population of field mice on the other side, producing offspring with this population. This is an example of

Correct Answer
verified

Which of the following is most likely to lead to two distinct species?

Correct Answer
verified

A fraction of the original green frog population survives to reproduce and generate the new population. If the survivors of the original population survived by chance, then this event is an example of

Correct Answer
verified

Exam 15: Evolution on a Small Scale

The conditions required by the Hardy-Weinberg equilibrium are commonly found in nature.

Correct AnswerverifiedShow Answer

Biotic environments that influence natural selection includes all but which of the following?

Correct AnswerverifiedShow Answer

Polydactylism (possessing more than five fingers per hand) within the Amish population in Pennsylvania is considered an example of founder effect. This is because the frequency of polydactylism among the Amish in Pennsylvania is identical to its frequency among the Amish population in Germany.

Correct AnswerverifiedShow Answer

Why does the malaria disease persist in the human population?

Correct AnswerverifiedShow Answer

Natural selection will favor directional, stabilizing and disruptive selection in the same population simultaneously.

Correct AnswerverifiedShow Answer

In the figure shown here, flower color of a population is distributed in a bell-shaped normal curve. If the white and yellow flower colors increase in frequency in the population, this would illustrate

Correct AnswerverifiedShow Answer

If half of a population is homozygous recessive, what is p?

Correct AnswerverifiedShow Answer

A group of field mice cross a highway and join a new population of field mice on the other side, producing offspring with this population. This is an example of

Correct AnswerverifiedShow Answer

Which of the following is most likely to lead to two distinct species?

Correct AnswerverifiedShow Answer

A fraction of the original green frog population survives to reproduce and generate the new population. If the survivors of the original population survived by chance, then this event is an example of

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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