Which of the Following Genetic Disorders Are Caused by the Presence

question 15

Multiple Choice

Which of the following genetic disorders are caused by the presence of an extra chromosome?

• A)Down syndrome and Turner syndrome
• B)Turner syndrome and sickle-cell anemia
• C)Klinefelter syndrome and Down syndrome
• D)phenylketonuria and XYY syndrome

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Definitions:

Delay

The act of postponing or causing something to occur at a later time than originally planned or expected.

Negative Reinforcement

A process in operant conditioning where a response is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.

Primary Reinforcement

An activity whose reinforcing properties are innate.

Positive Reinforcement

An event whose occurrence increases the frequency of the behavior that precedes it.