Which of the Following Statements Regarding Sickle-Cell Disease Is False

question 64

Multiple Choice

Which of the following statements regarding sickle-cell disease is false?

• A) Persons who are heterozygous for sickle-cell disease are also resistant to malaria.
• B) Sickle-cell disease causes white blood cells to be sickle-shaped.
• C) All of the symptoms of sickle-cell disease result from the actions of just one allele.
• D) About 1 in 10 African Americans is a carrier of sickle-cell disease.

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Definitions:

Sign Test

A nonparametric statistical test used to evaluate the difference between paired samples, based on the direction of changes rather than the magnitude.

Population Distribution

The spread of people across a given area or the spread of values of a particular variable across the population studied.

Sample Mean

The average computed from a sample of data, representing the central tendency of the sample.

Large Sample Sizes

Refers to a substantial amount of data points in a sample, which facilitates more accurate estimates of the population parameter.