Differences in the Expression of the Gene _______ Account for Many

question 43

Multiple Choice

Differences in the expression of the gene _______ account for many of the phenotypic differences between freshwater and marine forms of three-spine sticklebacks.

• A) bicoid
• B) Pax6
• C) Pitx1
• D) Ubx
• E) Gremlin

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Definitions:

Equilibrium

A state where market supply and demand balance each other, and, as a result, prices become stable.

Social Marginal Benefit

The additional benefit to society of consuming or producing one extra unit of a good or service, including both direct and external benefits.

Public Goods

Public goods are products or services that are non-excludable and non-rivalrous, meaning they can be consumed by anyone without reducing their availability to others.

Public Good

Nonexclusive and nonrival good; the marginal cost of provision to an additional consumer is zero and people cannot be excluded from consuming it.