__________ Is an Inherited Disorder Caused by an Extra 21^st

question 19

Multiple Choice

__________ is an inherited disorder caused by an extra 21^st chromosome that results in mental retardation.

• A)Phenylketonuria
• B)Huntington's disease
• C)Down syndrome
• D)Turner's syndrome

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, showing how much the values differ from the mean.

Mean

The average of a set of numerical values, calculated as the sum of the values divided by the number of values.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the number of quantities.

Point Estimate

A single value estimate of a population parameter that serves as the best guess or prediction of the parameter.