Why Are Housekeeping Genes Not Used to Create DNA Fingerprints

question 3

Multiple Choice

Why are housekeeping genes not used to create DNA fingerprints?

• A) They mutate often because they are unnecessary genes and so are highly variable.
• B) They are important genes for every cell in every person and so are highly conserved.
• C) They are found only in a few cell types, not all cell types.
• D) They are expressed at a low rate in cells.

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Definitions:

Irrelevant Costs

Costs that should not influence decision-making because they will not change regardless of the outcome.

Sunk Costs

Past expenditures that have already been incurred and cannot be recovered or altered by current or future actions.

Decision Making

Selecting a course of action from competing alternatives.

Avoidable Cost

Costs that can be eliminated if a particular decision is made, such as discontinuing a product or service.