Gene S Controls the Sharpness of Spines in a Type

question 51

Multiple Choice

Gene S controls the sharpness of spines in a type of cactus. Cacti with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cacti have dull spines. Also, a second gene, N, determines whether or not cacti have spines. Homozygous recessive nn cacti have no spines at all. The relationship between genes S and N is an example of which of the following inheritance patterns?

• A) incomplete dominance
• B) epistasis
• C) pleiotropy
• D) codominance

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Definitions:

Ethical Focus

The prioritization of ethical considerations and principles in the decision-making processes and practices of an individual or organization.

Deplete

To deplete means to use up or exhaust the supply or resources of something.

Performance Goals

Specific, measurable objectives set by individuals or teams to achieve desired levels of performance within a set timeframe.

High

A general term that can refer to being at or in an elevated position or state, indicating a level above average or normal.