Down Syndrome Has Been Linked to ________

question 53

Multiple Choice

Down syndrome has been linked to ________

• A) a chemical imbalance.
• B) a gene on the X chromosome.
• C) possessing an extra X chromosome.
• D) possessing an extra chromosome in chromosome 21.

---

Definitions:

Inflation

The magnitude of growth in general service and product prices, causing a decrease in the ability to buy.

Overall Level

A general or comprehensive scope or scale, often referring to the magnitude or intensity of a phenomenon or activity.

Prices

The financial outlay necessary for acquiring a commodity, service, or asset.

U.S. Productivity

A measure of the efficiency of production in the United States, typically evaluated in terms of the output of goods and services per unit of labor input.