The Allele for Polydactyly Is Dominant,but Most Individuals Do Not

question 37

Multiple Choice

The allele for polydactyly is dominant,but most individuals do not exhibit the polydactyly trait.Which of the following explains why this occurs in nature?

• A) The allele for polydactyly is completely penetrant
• B) The allele for polydactyly is never expressed
• C) The allele for polydactyly is incompletely penetrant
• D) The allele for polydactyly is variably expressive
• E) None of these is an adequate explanantion

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Definitions:

Utility

A measure of satisfaction or happiness that consumers derive from consuming goods and services.

Train Tickets

Tickets that grant the holder the right to travel on a train service, typically specifying the journey details.

Diminishing Marginal Utility

Diminishing Marginal Utility is an economic concept stating that as a person consumes more of a good or service, the satisfaction (utility) gained from consuming each additional unit decreases.

Total Utility

The total satisfaction or benefit that a person receives from consuming a given total quantity of a good or service.