出典:Wikipedia
出典:『Wikipedia』 (2011/05/17 21:47 UTC 版)
Hemoglobin A2 is a normal variant of hemoglobin A that consists of two alpha and two delta chains and is found in small quantity in normal human blood. Hemoglobin A2 may be increased in beta thalassemia or to people who are heterozygous to beta thalassemia gene.