label: Hemoglobin Alpha Genotype Finding
label_lc: hemoglobin alpha genotype finding
description: "A genetic finding indicating the genotype in a subject for the genes that encode hemoglobin subunit alpha, HBA1 and HBA2. Since the two HBA genes encode the same protein and are co-located on chromosome 16, the normal genotype is comprised of 2 maternal alpha genes and 2 paternal alpha genes (aa/aa)."