Which of the following is not true regarding sickle-cell disease?
A) It is caused by a recessive allele that modifies the structure of hemoglobin.
B) It is due to a hereditary hemoglobin defect.
C) It is advantageous in that it can protect carriers against malaria.
D) It is a cause of malaria.
E) It is a cause of anemia.

Question

Quizplus · Accepted Answer

Sickle-cell disease is not a cause of malaria. Rather, the presence of the sickle-cell trait (heterozygous carriers of the gene) can provide some protection against malaria infections.

Which of the Following Is Not True Regarding Sickle-Cell Disease