Sickle-Cell Anemia Is an Example of an Inherited Disease

question 26

Multiple Choice

Sickle-cell anemia is an example of an inherited disease.Individuals with this disorder have misshapen (sickle-shaped) red blood cells caused by a change in the sequence of the β-globin gene.What is the nature of the change?

• A)chromosome loss
• B)base-pair change
• C)gene duplication
• D)base-pair insertion