You Have Performed Electrophoresis on a Sample of Normal Hemoglobin

Multiple Choice

You have performed electrophoresis on a sample of normal hemoglobin (HbA) , sickle-cell hemoglobin (HbS) , a mixture containing HbA + HbS, and a sample of hemoglobin from a patient. The patient sample shows 2 bands, one at the same distance as the HbA band and one at the same distance as the HbS band. What is true about your patient?

A) The patient has sickle-cell anemia.
B) The patient has sickle-cell trait.
C) The patient has normal hemoglobin.
D) The answer cannot be determined from the data.