The Ratio of the Rate of Nonsynonymous to Synonymous Mutations

question 37

Multiple Choice

The ratio of the rate of nonsynonymous to synonymous mutations (dN/dS) is equal to one if a gene is evolving ______. A dN/dS ratio greater than one indicates that the gene is evolving _____.

• A) neutrally; purifying selection
• B) under positive selection; neutrally
• C) neutrally; under positive selection
• D) under purifying selection; neutrally
• E) under purifying selection; under positive selection

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Definitions:

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The practice of giving money as a present to friends or family members on special occasions or celebrations.

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The act of giving gifts that do not involve direct monetary exchange, such as time or goods.

Recipient Preferences

The specific likes or choices of individuals or entities that are targeted to receive something.

Utility

The total satisfaction received from consuming a good or service.