Down Syndrome Is Caused By

question 53

Multiple Choice

Down syndrome is caused by:

• A) a hormonal abnormality.
• B) a brain injury.
• C) a neurological disease.
• D) a genetic abnormality.

---

Definitions:

New Middle Class

A socio-economic group that emerged, characterized by increased educational opportunities, higher incomes, and an enhanced standard of living, often in the context of industrializing societies.

Ethnic Minorities

Groups of people who differ in race, religion, or culture from the majority population in the society in which they live.

Mann Act

a 1910 U.S. federal law, officially known as the White-Slave Traffic Act, originally intended to combat forced prostitution and human trafficking.

Prostitution

The practice or occupation of engaging in sexual activity with someone for payment.