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Biology
Test Description: Chapter 17
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a source of genetic variation?
A
lateral gene transfer
B
genetic recombination during reproduction
C
temporal isolation
D
mutations
2) Natural selection acts directly on genes.
A
True
B
False
3) Random change in allele frequency.
A
Adaptation
B
Genetic drift
C
Evolution
D
Gene pool
4) Antibiotics can be used to treat viruses such as the flu.
A
True
B
False
5) In a population the allele for widow's peak (w) is found 37 times out of a gene pool of 114. What is the frequency of this allele?
A
30.8 percent
B
25 percent
C
.325 percent
D
32.5 percent
6) A bottleneck effect would occur as a result of which of the following?
A
Disaster/disease
B
Reproductive isolation
C
Geographic isolation
D
Overpopulation
7) Mutations are not that common.
A
True
B
False
8) Two types of birds will no longer interbreed with each other, thus producing separate species of birds. This is an example of
A
Temporal isolation
B
Behavioral isolation
C
Geographic isolation
D
Reproductive isolation
9) The formation of a new species.
A
Adaptation
B
Speciation
C
Natural selection
D
Evolution
10) When evolution is occuring the allele frequency will not change.
A
False
B
True
*select an answer for all questions
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