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:

Capital Lease Obligations

Long-term lease agreements that are recorded as assets on a company's balance sheet, effectively treating the lease as a purchase of the asset.

Current Portion

The portion of long-term liabilities that is due to be paid within the next twelve months.

Operating Lease

A leasing agreement that allows for the use of an asset but does not convey rights of ownership, often treated as an operational expense rather than a capital expense.

Lease Liability

An obligation representing the present value of future lease payments under a leasing agreement.