1 of 97
Term
Evolution _ an increase in allelic diversity in response to
environmental change.
A. Always involves
B. Sometimes involves
C. Never involves
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E C
B A
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2 of 97
,Term
In a Hardy Weinberg population with two alleles, A & a, that are in
equilibrium, the frequency of the allele a is 0.3. What is the
percentage of the population that is homozygous for this allele?
A. 0.9
B. 0.49
C. 9.0
D. 49.0
E. 90.0
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A A&C
C B
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3 of 97
Term
At the genetic evolution, evolution is:
A. Population change over time
B. Change in frequency of an allele/genotype over time
C. Natural selection
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, A C
E B
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4 of 97
Term
What is true of natural selection?
A. Random process
B. Creates beneficial mutations
C. Mutations occur at random; natural selection can preserve &
distribute beneficial mutations
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A C
B A&C
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5 of 97
Term
The frequency of the a allele is 0.2.
What is the percentage of the population that is heterozygous for
, this allele?
A. 0.2
B. 2.0
C. 4.0
D. 16.0
E. 32.0
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C D
B E
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6 of 97
Term
Which of the following is true with respect to genetic variation?
A. Genetic variation is created by natural selection
B. Arises in response to environmental change
C. It must be present in a population before natural selection can act
upon the population
D. Tends to be reduced by meiosis
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D A&B
Term
Evolution _ an increase in allelic diversity in response to
environmental change.
A. Always involves
B. Sometimes involves
C. Never involves
Give this one a try later!
E C
B A
Don't know?
2 of 97
,Term
In a Hardy Weinberg population with two alleles, A & a, that are in
equilibrium, the frequency of the allele a is 0.3. What is the
percentage of the population that is homozygous for this allele?
A. 0.9
B. 0.49
C. 9.0
D. 49.0
E. 90.0
Give this one a try later!
A A&C
C B
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3 of 97
Term
At the genetic evolution, evolution is:
A. Population change over time
B. Change in frequency of an allele/genotype over time
C. Natural selection
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, A C
E B
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4 of 97
Term
What is true of natural selection?
A. Random process
B. Creates beneficial mutations
C. Mutations occur at random; natural selection can preserve &
distribute beneficial mutations
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A C
B A&C
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5 of 97
Term
The frequency of the a allele is 0.2.
What is the percentage of the population that is heterozygous for
, this allele?
A. 0.2
B. 2.0
C. 4.0
D. 16.0
E. 32.0
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C D
B E
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6 of 97
Term
Which of the following is true with respect to genetic variation?
A. Genetic variation is created by natural selection
B. Arises in response to environmental change
C. It must be present in a population before natural selection can act
upon the population
D. Tends to be reduced by meiosis
Give this one a try later!
D A&B
