Multiple Choice
Sickle cell anemia is often lethal in childhood, yet the gene for sickle cell hemoglobin persists in the human population. Which statement BEST describes why this is the case?
A) Individuals with sickle cell anemia are healthier than are normal individuals.
B) Individuals with sickle cell trait can carry more oxygen in their blood than do normal individuals.
C) Individuals with normal hemoglobin have malaria infections less often than do individuals with sickle cell trait.
D) Individuals with sickle cell trait are protected from malaria infection, while normal individuals are not.
E) Individuals with sickle cell anemia have more hemoglobin in their blood than do normal individuals.
Correct Answer:
Verified
Correct Answer:
Verified
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