In a Cross Between a Petite Yeast Mutant and a Wild-

question 38

Multiple Choice

In a cross between a petite yeast mutant and a wild- type strain, results showed half petite and half wild- type progeny. Which of these statements must be true of this petite mutation?

• A) It is suppressive.
• B) It replicates faster than wild type.
• C) It has small deletions of mitochondrial DNA.
• D) It is a neutral mitochondrial mutation.
• E) It is a nuclear or segregational mutation.

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Definitions:

Increasing Returns

A situation in production where an increase in the amount of inputs results in a disproportionately larger increase in output.

Production Isoquant

A curve that represents all combinations of inputs that produce the same level of output, used in the analysis of production technology.

Marginal Products

The additional output that is produced by using one more unit of a particular input, holding other inputs constant, critical in the analysis of production efficiency.

Profitability

A measure of the efficiency with which a company or a business utilizes its resources to generate profits.