<prompt> The hemoglobin to appear first in the fetus is ?Hb AHb A2Hb FHb G ow ers  <response>: Ans. is d i.e., Hb Gowers o Within the red blood cell mass of an embryo, fetus, child and adult, six different hemoglobins may normal be detected - 1 Gower - 1 C,, e2 2 Gower - 2 a2E2 Embryonic hemoglobin 3 Hb poland C2y2 4 Hb - F a2y2 -- Fetal hemoglobin 5 Hb - A a22. Adult hemoglobin 6 Hb A2 a282 