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Biology Chapter 17 Review
Test Description: Evolution
Instructions: Answer all questions to get your test result.
1) If there are 45 alleles for brown eyes in a population of 215, what is the allele frequency for brown eyes?
A
6%
B
4.7%
C
23%
D
21%
2) True or False: Allele frequency must stay the same for evolution to occur.
A
False
B
True
3) Which of the following is not a source of genetic variation?
A
natural selection
B
genetic recombination during sexual reproduction
C
lateral gene transfer
D
mutations
4) Antibiotics are used to treat
A
viruses.
B
the common cold.
C
bacteria.
D
influenza.
5) The flu is able to evolve due to
A
lateral gene transfer.
B
mutations.
C
artificial selection.
D
genetic drift.
6) Random change in allele frquency.
A
genetic drift
B
mutation
C
natural selection
D
lateral gene transfer
7) Which of the following could trigger a bottleneck effect?
A
Natural disaster
B
All are possible answers
C
Disease
D
War
8) An example of speciation caused by timing differences in reproduction.
A
Behavioral Isolation
B
Geographic Isolation
C
Genetic Drift
D
Temporal Isolation
9) From where is it believed the finches on the Galapagos Islands came from?
A
Australia
B
North America
C
Africa
D
South America
10) True or False: A population that is in genetic equilibrium is evolving.
A
False
B
True
11) New species will form when they
A
no longer interbreed.
B
evolve.
C
go through genetic drift.
D
gain mutations.
12) True or False: Mutations are very common.
A
False
B
True
*select an answer for all questions
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