血红蛋白类型 EMBRYONIC FETAL ADULT ■■ 十■■■ ■ Gy Ay B Hb Gower I Hb Portland EMBRYONIC L2t2 522 22 FETAL Hb Gower ll HbF AND HbA2 HbA ADULT 02e2 0262 u282 a2B2 d2A72