What Is the Cause of Sickle-Cell Anemia

question 13

Multiple Choice

What is the cause of sickle-cell anemia?

• A)a defective gene inherited from both parents
• B)a genetic defect affecting synthesis of hemoglobin chains
• C)bone marrow depression
• D)an autoimmune reaction

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Definitions:

Independent Variable

In an experiment, the variable that is intentionally changed or manipulated to observe its effect on a dependent variable.

Statistically Significant

A term used to describe a result that is not likely to occur randomly, but rather is likely to be attributable to a specific cause.

Replicable

The ability of a study or experiment to be repeated with similar results, underscoring the reliability of the findings.

Statistically Significant

A measure of confidence in the results of a study or experiment that indicates the observed effects are unlikely to be due to chance.