| 1. |
The synthetic theory of evolution is based at least
in part on: |
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a) |
a rejection of mutation as a source of evolution |
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b) |
an acceptance of natural selection as a cause of evolution |
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c) |
a rejection of population genetics |
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d) |
B and C |
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| 2. |
"The sum total of the genetically inherited changes
in the individuals who are members of a population" is a description
of: |
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a) |
genetic drift |
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b) |
non-random mating |
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c) |
evolution |
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| 3. |
Godfrey Hardy and Wilhelm Weinberg concluded that
gene pool frequencies are: |
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a) |
inherently stable |
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b) |
inherently unstable |
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c) |
impossible to determine since we can only observe phenotypes and not
genotypes |
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| 4. |
Which of the following statements is true of the
Hardy-Weinberg equation (p² + 2pq + q² = 1)? |
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a) |
The "p" represents the frequency of the recessive allele for a
specific trait in a population. |
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b) |
In order to use the equation, you have to know all of the genotype
frequencies first. |
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c) |
The equation allows you to discover the genotype frequencies if you
know the phenotype frequencies. |
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| 5. |
Population geneticists now usually think of
evolution as being genetic changes in: |
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a) |
individuals |
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b) |
populations |
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c) |
A and B |
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d) |
none of the above |
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| 6. |
The Hardy-Weinberg equilibrium equation (p² + 2pq +
q² = 1) allows geneticists to: |
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a) |
keep track of changes in phenotype frequencies from generation to
generation in small families |
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b) |
keep track of changes in genotype frequencies from generation to
generation in a population |
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c) |
determine what evolutionary mechanisms are causing changes in a
population's gene pool frequencies |
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| 7. |
Population genetics and the synthetic theory of
evolution were developed mostly in the _____ century. |
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a) |
18th |
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b) |
19th |
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c) |
20th |
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| 8. |
"Synthetic theory of evolution" refers to:
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a) |
a combination of Charles Darwin's concept of natural selection along
with evolutionary theories developed in the 20th century by population
geneticists and molecular biologists |
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b) |
Charles Darwin's idea of evolution resulting from natural selection
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c) |
the rigorous application of the scientific method to breeding
experiments |
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| 9. |
Which of the following conditions can result in
evolution in a population? |
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a) |
all mating is totally random |
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b) |
mutation is not occurring |
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c) |
natural selection is not occurring |
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d) |
none of the above |
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| 10. |
Which of the following statements is true?
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a) |
In the real world, gene pool frequencies are inherently unstable.
That is to say, they change by themselves without any evolutionary
mechanism operating. |
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b) |
Evolution is a common occurrence in natural populations |
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c) |
A gene pool is a more or less distinct group of individuals within a
species who tend to restrict their mate selection to members of their
group. |
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