You Are Studying the DNA of a Person Who You

question 17

Multiple Choice

You are studying the DNA of a person who you know has two defective copies of the gene that encodes phenylalanine hydroxylase. You are surprised to find that this person also carries two defective copies of the gene for homogentisic acid oxidase. What disease symptoms will this person exhibit? (Assume pathway intermediates are not available from sources outside the phenylalanine breakdown pathway.)

• A) This person will exhibit symptoms of alkaptonuria.
• B) This person will exhibit symptoms of tyrosinosis.
• C) This person will exhibit symptoms of phenylketonuria.
• D) This person will exhibit symptoms of alkaptonuria and phenylketonuria.
• E) This person will be phenotypically normal.

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Definitions:

Nuisance

An act, condition, or thing that interferes with the use or enjoyment of property or the general well-being of its inhabitants.

Invasion of Privacy

The violation of a person's right to be left alone, without their public or private information being disclosed without consent.

False Light

A legal claim involving publishing information that is misleading in a way that wrongly portrays someone, often considered a form of privacy invasion.

Libel

A false written or published statement that damages a person's reputation.