In the Absence of Purifying and Positive Selection, the Ratio

question 87

Multiple Choice

In the absence of purifying and positive selection, the ratio of the rate of synonymous substitutions to the rate of nonsynonymous substitutions should be near

• A) 0.
• B) 1/2.
• C) 1.
• D) 2.
• E) infinity.

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Definitions:

Attachment

An emotional tie with another person; shown in young children by their seeking closeness to their caregiver and showing distress on separation.

Adaptive Value

The extent to which a trait or behavior increases the survival and reproductive success of an organism in its environment.

Unfamiliar Animals

Animals that are not commonly known or recognized by individuals, possibly eliciting curiosity or caution.

Stranger Anxiety

A form of distress that young children experience when exposed to people they do not recognize, typically noticeable around 8-9 months of age.