Regarding Down Syndrome,which of the Following Statements Is TRUE

question 117

Multiple Choice

Regarding Down syndrome,which of the following statements is TRUE?

• A)Down syndrome is a sex-linked hereditary condition.
• B)Down syndrome is a condition caused by an extra chromosome at pair 21.
• C)Down syndrome results from an inherited inability to control a destructive chemical that builds up in their bodies.
• D)Down syndrome is caused by the mother's heavy drinking during pregnancy.

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Definitions:

Salespeople

Individuals who are responsible for selling products or services, often working on commission and representing a company in dealings with customers.

Pearson Correlation

A measure of the linear correlation between two variables, giving a value between -1 and 1 where 1 implies a perfect positive linear relationship, -1 implies a perfect negative linear relationship, and 0 implies no linear correlation.

Regression Line

A linear representation that best fits the distribution of data points in scatter plotting, predicting the relationship between dependent and independent variables.

Coefficient Of Determination

A statistical measure, often denoted as R^2, that represents the proportion of the variance in the dependent variable predictable from the independent variable(s) in a regression analysis.