Gene Duplications

question 37

Multiple Choice

Gene duplications

• A)have proved to be adaptive in some cases.
• B)have resulted in many slightly different hemoglobin molecules in primates.
• C)always have negative consequences.
• D)can occur via unequal crossovers at prophase I.
• E)are all of these EXCEPT "always have negative consequences."

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Definitions:

Beginning Equity

The value of an owner's interest in a company at the start of an accounting period.

Revenues

The total amount of money generated by a company from its business activities, such as sales of goods or services, before any expenses are subtracted.

Operating Activity

Transactions related to the primary activities of a business, such as purchasing inventory, selling goods or services, and paying salaries.

Financing Activity

Transactions related to raising or repaying capital, such as issuing stocks or borrowing loans.