Although the Most Frequent Forms of Down Syndrome Are Caused

question 39

Multiple Choice

Although the most frequent forms of Down syndrome are caused by a random error,nondisjunction of chromosome 21,Down syndrome occasionally runs in families.The cause of this form of familial Down syndrome is ____.

• A)a maternal age effect
• B)a chromosomal aberration involving chromosome 1
• C)an inversion involving chromosome 21
• D)a translocation between chromosome 21 and a member of the D chromosome group
• E)too many X chromosomes

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Definitions:

Sexual Practices

The behaviors or activities in which people engage to achieve sexual pleasure or intimacy.

Psychological Dependence

A form of dependence characterized by a perceived need to use a substance for its positive psychological effects.

Physical Dependence

A physiological state where the body depends on a substance to function normally, typically resulting from long-term substance use.

Supervisor

An individual responsible for overseeing and guiding the work of others.