A neutral mutation confers a selective advantage chapter 15 quizlet

Are mutations essential to the evolutionary process?

Most mutations are thought to be deleterious. Why, then, is it reasonable to state that mutations are essential to the evolutionary process? Evolution can occur without inherited variation for adaptive traits; therefore mutation does not contribute significantly to evolution. Most mutations are deleterious.

What is the only type of selection that acts on quantitative variation?

E. Stabilizing selection is the only type of selection that acts on quantitative variation. B. Disruptive selection is the only type of selection to produce a bimodal pattern. Which of the following statements about biological evolution is false? A. Species change over time. B. Natural selection produces changes in species.

What are the characteristics of mutation?

… … A mutation altering a regulated attribute of gene expression. Produces a new trait or causes a trait to appear in inappropriate tissues or at inappropriate times in development. A mutation that results in a characteristic phenotype only under certain environmental conditions. …

Which type of selection favors individuals close to the mean?

D. Disruptive selection favors individuals close to the mean. E. Stabilizing selection is the only type of selection that acts on quantitative variation. B. Disruptive selection is the only type of selection to produce a bimodal pattern. Which of the following statements about biological evolution is false? A. Species change over time.

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