Multiple Choice
What causes sickle-cell anemia?
A) complete lack of hemoglobin
B) a form of hemoglobin that is misshaped and thus distorts RBC
C) an extra X chromosome that results in production of too much hemoglobin
D) a defective hemoglobin that prevents the formation of blood clots
E) a single-celled parasite transmitted by a mosquito
Correct Answer:
Verified
Correct Answer:
Verified
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