You Are Working in a Medical Research Lab and Have

question 16

Multiple Choice

You are working in a medical research lab and have to determine if a patient is heterozygous or homozygous for a particular restriction site. You isolate a region of DNA from each chromosome, the middle of which could contain the restriction site, if the patient has it. If you treat the DNA with the restriction enzyme, how many fragments will be produced if the patient is heterozygous for the presence of the restriction site?

• A)one
• B)two
• C)three
• D)four
• E)This question is impossible to answer based on the information provided.

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Definitions:

Owners' Equity

The residual interest in the assets of a company after deducting liabilities, representing the ownership's value in the firm.

Treasury Stock

Treasury stock refers to shares which were issued and later reacquired by the issuing company, reducing the amount of outstanding stock on the open market.

Cash Dividends

Payments made by a corporation to its shareholders, typically from profits, in the form of cash.

Retained Earnings

The portion of a company's profits that is kept or retained within the company, rather than being paid out as dividends to shareholders.