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:

Transfer Price

A price charged for goods or services transferred between departments or divisions of the same company or between affiliated companies.

Valve Division

Refers to a specialized business unit within a company that focuses on the production and sales of valves.

Variable Expenses

costs that vary in total in direct proportion to changes in activity level or volume, such as materials costs or commission expenses.

Transfer Price

The rate assigned to commodities or services moved between branches or associated companies of the same entity.