Down Syndrome Is the Most Common and Frequently Observed Chromosomal

question 18

Multiple Choice

Down syndrome is the most common and frequently observed chromosomal abnormality in humans and incidence is correlated with increased maternal age.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true, and the second statement is false.
• D) The first statement is false, and the second statement is true.

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Definitions:

Methodological Flaw

A deficiency or error in the design or execution of a research study that can compromise validity or reliability.

Social Desirability Bias

A tendency for respondents to answer questions in a manner that will be viewed favorably by others, often leading to inaccuracies in self-report measures.

Goals of Science

The objectives of scientific inquiry, generally including the description, prediction, explanation, and control of natural phenomena, based on empirical evidence and systematic observation.

Correlation

A statistical measure that describes the extent to which two variables change together, but does not imply causation.