A Genetic Change That Caused a Certain Hox Gene to Be

question 54

Multiple Choice

A genetic change that caused a certain Hox gene to be expressed along the tip of a vertebrate limb bud instead of farther back helped make possible the evolution of the tetrapod limb. This type of change is illustrative of ________.

• A) the influence of environment on development
• B) paedomorphosis
• C) a change in a developmental gene or in its regulation that altered the spatial organization of body parts
• D) heterochrony

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Definitions:

Maslow's Hierarchy

A psychological theory that categorizes human needs into five hierarchical levels, from physiological needs to self-actualization.

Targeting

Evaluating each market segment to determine which segments present the most attractive opportunity to maximize sales.

Cultural Factors

Elements of culture that influence consumer behaviors and preferences, including language, beliefs, values, and norms.

Economic Conditions

A state of a region or country's economy, encompassing factors such as growth rates, unemployment, inflation, and consumer confidence.