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.

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Definitions:

Antebellum Southern Society

The social structure and culture in the American South before the Civil War, characterized by plantation economies and slavery.

Agriculture

The practice of cultivating the land and raising livestock for food, fiber, and other products.

Plantation Mansion

A large house on a plantation, typically in the American South, which was the residence of the plantation owner and served as the administrative center of the estate.

Slave Patrols

Organized groups of white men who monitored and enforced discipline upon black slaves in the antebellum Southern United States.