Individuals with Xeroderma Pigmentosum Inherit a Faulty DNA Repair Mechanism

question 40

Multiple Choice

Individuals with xeroderma pigmentosum inherit a faulty DNA repair mechanism. As a consequence, ____.

• A) they are sterile
• B) their cells have no proofreading abilities during DNA replication
• C) Okazaki fragments produced during DNA replication cannot be joined
• D) they easily develop skin cancer when exposed to sunlight
• E) their telomeres are shorter than average

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Definitions:

Direct Observation

A method of collecting data by watching subjects in their natural environment without any manipulation or interference.

Logical Reasoning

The process of using a logical sequence of thinking, utilizing deductive or inductive reasoning, to arrive at a conclusion or solve problems.

Direct Observation

A method of gathering data by watching behavior or events as they occur in their natural setting.

Internal Events

Psychological or physiological occurrences within an individual that are not observable by others.