Biology: Question Preview (ID: 5985)

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Which of the following is NOT a source of genetic variation?
a) mutations b) genetic recombination during reproduction c) temporal isolation d) lateral gene transfer
Natural selection acts directly on genes.
a) True b) False c) d)
Random change in allele frequency.
a) Gene pool b) Evolution c) Genetic drift d) Adaptation
Antibiotics can be used to treat viruses such as the flu.
a) True b) False c) d)
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) 32.5 percent b) 30.8 percent c) 25 percent d) .325 percent
A bottleneck effect would occur as a result of which of the following?
a) Geographic isolation b) Overpopulation c) Disaster/disease d) Reproductive isolation
Mutations are not that common.
a) True b) False c) d)
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) Geographic isolation c) Reproductive isolation d) Behavioral isolation
The formation of a new species.
a) Evolution b) Speciation c) Natural selection d) Adaptation
When evolution is occuring the allele frequency will not change.
a) False b) True c) d)
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