If 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, then 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., then the statement that is true about your patient is that he or she is homozygous.
