Which of the Following Is True of Sickle-Cell Anemia

question 2

Multiple Choice

Which of the following is true of sickle-cell anemia?

• A) It is on the decline.
• B) It is caused by the change in two amino acids that make up the hemoglobin molecule.
• C) It results when hemoglobin molecules do not fold correctly, reducing their ability to bind to oxygen.
• D) It increases an individual's susceptibility to malaria.

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