New Genes Are Thought to Arise by Which Mechanism

question 9

Multiple Choice

New genes are thought to arise by which mechanism?

• A)Duplication followed by mutation of one of the copies.
• B)Mating of two highly related species.
• C)Duplication without mutation of any of the copies.
• D)Mating of two species that are not related.

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Definitions:

Subsidiary

A company that is controlled by another company, known as the parent company, through the ownership of more than half of its voting stock or through other means of control.

Intangible Assets

Assets that lack physical substance but provide economic benefits to a company, such as trademarks, patents, and copyrights.

Impairment

The reduction in the recoverable value of an asset below its carrying amount on the balance sheet.

Indefinite Useful Lives

An accounting classification for intangible assets that are not expected to expire or have an end to their useful economic life.