If a Gene from the Coelacanth That Drives the Development

question 44

Multiple Choice

If a gene from the coelacanth that drives the development of limbs in the coelacanth embryo was inserted into rats,what would the result likely be?

• A) It would likely drive the production of a lobed fin in the rat.
• B) It would likely drive production of a limb that is a cross between a normal rat limb and a lobed fin.
• C) It would likely drive the production of an almost normal rat limb.
• D) It would likely drive the production of no limb in the rat embryo.

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Definitions:

Arousal Theory

A theory suggesting that people are motivated to maintain an optimal level of arousal, which varies from one individual to another.

Optimal Point

The most favorable condition or level for growth, yield, or efficiency.

Motivation

The psychological processes that arouse and direct goal-directed behavior, stemming from internal or external factors.

Intrinsic Motivation

refers to the internal drive to engage in an activity for its own sake, deriving satisfaction and fulfillment from the activity itself rather than from external rewards or pressures.