Which of the Following Is True of Down Syndrome

question 1

Multiple Choice

Which of the following is true of Down syndrome?

• A) It primarily occurs in African American children.
• B) It occurs when genetic imprinting goes awry.
• C) Its symptoms include retardation of motor and mental abilities.
• D) It is caused by the presence of an extra copy of chromosome Y.

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Definitions:

Hypotheses

Proposed explanations for a phenomenon, made as a starting point for further investigation.

Observations

The act of noting and recording something with instruments or the senses as a part of scientific research or empirical study.

Paradigm Shift

A fundamental change in the basic concepts and experimental practices of a scientific discipline.

Falsifiable Hypothesis

A hypothesis that can be demonstrated to be false by an experiment or observation, a critical aspect of the scientific method.