Why is DNA sequencing the gold standard for measuring genetic variation?
A. It is the easiest method of identifying
genetic variation.
B. It uses mutations to detect differences in
amino acid sequence.
C. It relies on proteins instead of genetic
sequence.
D. It determines the exact genetic sequence,
and thus the absolute variation in a
population.
E. It is the least accurate, and is not the gold
standard.
D
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The probability that an ancient species will be represented in the fossil record is a function of:
A. the properties of the organisms themselves, such as whether or not they make hard skeletons. B. the properties of the environments in which they live, such as whether or not burial was likely. C. the properties of the climate in which they live, such as how warm or cold it was. D. the properties of the organisms themselves and the environments in which they live. E. all of the answer options are correct.
Viral central nervous system infections may result in
A. meningitis. B. encephalitis. C. poliomyelitis. D. rabies. E. All of the choices are correct.
The differences in evolutionary rates of change revealed by relative rate tests may be attributable to
A) differential strength of selection. B) generation time. C) average DNA repair efficiency. D) differential exposure to mutagens. E) All of these
A large regional community is
A. a biome. B. the biosphere. C. an ecosystem. D. a trophic level.