Which Observation Is Contrary to the Neutral Theory of Molecular

question 133

Multiple Choice

Which observation is contrary to the neutral theory of molecular evolution?

• A) Rates of substitution are higher in pseudogenes.
• B) The rates of evolution of a gene in different lineages of birds do not correlate with the population sizes of those birds.
• C) In bats, the rate of synonymous substitutions at the GY1 gene is much higher than the rate of nonsynonymous substitutions.
• D) The majority of variants confer neither an advantage nor a disadvantage on their bearers.
• E) Variants within populations that arise because of genetic drift are always advantageous.

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