Which of the Following Is True of Down Syndrome

question 1

Multiple Choice

Which of the following is true of Down syndrome?

• A) It primarily occurs in African American children.
• B) It occurs when genetic imprinting goes awry.
• C) Its symptoms include retardation of motor and mental abilities.
• D) It is caused by the presence of an extra copy of chromosome Y.

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Definitions:

Production Possibilities Frontier

A graph that shows the highest possible production levels for two or more products based on certain input resources.

Infeasible Levels

Conditions or scenarios that cannot be achieved or realized due to practical or theoretical constraints.

Efficient

Achieving maximum productivity with minimum wasted effort or expense, often in the context of economic resource allocation.

Economy

The system by which goods and services are produced, distributed, and consumed within a society or geographic area.