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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
21%
B
4.7%
C
6%
D
23%
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
lateral gene transfer
B
genetic recombination during sexual reproduction
C
mutations
D
natural selection
4) Antibiotics are used to treat
A
the common cold.
B
influenza.
C
viruses.
D
bacteria.
5) The flu is able to evolve due to
A
mutations.
B
artificial selection.
C
genetic drift.
D
lateral gene transfer.
6) Random change in allele frquency.
A
mutation
B
genetic drift
C
lateral gene transfer
D
natural selection
7) Which of the following could trigger a bottleneck effect?
A
All are possible answers
B
Natural disaster
C
Disease
D
War
8) An example of speciation caused by timing differences in reproduction.
A
Behavioral Isolation
B
Geographic Isolation
C
Temporal Isolation
D
Genetic Drift
9) From where is it believed the finches on the Galapagos Islands came from?
A
Australia
B
Africa
C
North America
D
South America
10) True or False: A population that is in genetic equilibrium is evolving.
A
True
B
False
11) New species will form when they
A
no longer interbreed.
B
gain mutations.
C
evolve.
D
go through genetic drift.
12) True or False: Mutations are very common.
A
True
B
False
*select an answer for all questions
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