Some Evolutionary Biologists Argue That Changes in the Regulation of Genes

question 26

Multiple Choice

Some evolutionary biologists argue that changes in the regulation of genes rather than changes in the coding sequence are more likely to be involved in adaptation. Which of the following statements forms part of the basis for this argument?

• A) Coding sequence changes are constrained because most genes perform multiple functions.
• B) Regulatory mutations are more likely to occur than coding sequence mutations.
• C) Regulatory changes likely affect all processes that a gene is involved in.
• D) all of the above

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Definitions:

Temperature

A measure of the warmth or coldness of an environment or object, expressed in degrees.

Causally Related

A connection between two events where one directly impacts or brings about the other.

Predictability

The degree to which a future event or outcome can be accurately foreseen based on current knowledge or past events.

Correlations

Statistical measures that indicate the extent to which two or more variables fluctuate together.