Refer to the Hypothetical Data Set Comparing the Gene Content

question 52

Multiple Choice

Refer to the hypothetical data set comparing the gene content of Salmonella and Shigella, of which all strains are pathogenic, and the pathogenic and nonpathogenic strains of E.coli.(Note: "x" denotes presence of the gene.) Which is the most likely conclusion about gene B?

• A) It may be involved in pathogenicity and was acquired from Salmonella strain 1.
• B) It may be involved in pathogenicity and was acquired from Salmonella strain 2.
• C) It may be involved in pathogenicity and was acquired from Shigella.
• D) It may be involved in pathogenicity, and its origin is unclear.
• E) It is unlikely to be involved in pathogenicity.

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Definitions:

Contingency

A future event or circumstance that is possible but cannot be predicted with certainty, often requiring planning for different potential outcomes.

Antecedent

An event, condition, or cause that logically precedes and influences an outcome or result.

Consequence

The result or effect of an action or condition.

Voluntary Behaviors

Actions undertaken by choice and without external coercion, reflecting autonomy and personal preference.