Down Syndrome

question 9

Multiple Choice

Down syndrome

• A) is due to disjunction of chromosomes.
• B) individuals have two number 21 chromosomes.
• C) may occur at a lower rate in women over 40.
• D) can occur if the sperm has an extra copy of chromosome 21.
• E) persons have normal-appearing eyelids.

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Definitions:

Self-Concept

An individual's perception of themselves, including beliefs about one's own abilities, appearance, and personality.

Bystander Apathy

A psychological phenomenon where individuals are less likely to offer help to a victim when other people are present.

Diffusion of Responsibility

A socio-psychological phenomenon whereby a person is less likely to take responsibility for action or inaction when others are present.

Groupthink

A psychological phenomenon that occurs within a group of people, where the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.