The Reason That Paralogous Genes Can Diverge from Each Other

question 16

Multiple Choice

The reason that paralogous genes can diverge from each other within the same gene pool, whereas orthologous genes diverge only after gene pools are isolated from each other, is that ________.

• A) having multiple copies of genes is essential for the occurrence of sympatric speciation in the wild
• B) paralogous genes can occur only in diploid species, thus they are absent from most prokaryotes
• C) polyploidy is a necessary precondition for the occurrence of sympatric speciation in the wild
• D) having an extra copy of a gene permits modifications to the copy without loss of the original gene product

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Definitions:

ROA

Return on Assets, a profitability ratio that measures how efficiently a company can manage its assets to produce profit during a period.

Effective Utilization

Effective utilization refers to how efficiently resources, such as labor and equipment, are used to produce goods or services.

EBIT

Earnings before interest and taxes; a measure of a company's profitability that excludes interest and income tax expenses.

Quick Ratios

The quick ratio, also known as the acid-test ratio, measures a company's ability to meet its short-term obligations with its most liquid assets.