Down Syndrome Is Characterized By

question 38

Multiple Choice

Down syndrome is characterized by:

• A) single base mutations
• B) the presence of 47 chromosomes per somatic cell
• C) increasing risk with younger maternal age
• D) the presence of an extra chromosome 18 in each somatic cell
• E) the same symptoms observed in each individual

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Definitions:

Superego

A component of Sigmund Freud's personality theory that represents the ethical component, providing moral standards by which the ego operates.

Id

A component of the personality in Freud's psychoanalytic theory that is responsible for the instinctual and primitive behaviors.

Ego

In psychology, a part of the mind that mediates between conscious and unconscious thoughts, often tied to one's sense of self-esteem and identity.

Oedipus Complex

A psychoanalytic theory proposed by Freud that describes a child's feelings of desire for the opposite-sex parent and jealousy and rivalry with the same-sex parent.