sometimes
For an infant, normal hemoglobin is 14-22 g/dL
loss of only one amino acid from the normal hemoglobin molecule
Normal levels of hemoglobin for neonates are 17 - 22 g/dl.
Normal levels of hemoglobin for adult females past menopause are 11.7 - 13.8 g/dl.
The normal hemoglobin level ranges from 12-18 grams per deciliter. Above normal hemoglobin levels may result in dehydration, excess production of rbc in bone marrow and other conditions.
Normal Hemoglobin levels in a Male is 13.8 to 17.2 gm/dL but this can vary based on various labs and what they consider to be the normal range.
For adult males the normal hemoglobin values are from 14-18 grams/deciliter. For adult females the normal hemoglobin values are from 12-16 grams/deciliter. I don't know how these values could be expressed as percents.
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Matt Jones has herpes in the butt hole!
Normal adult hemoglobin has a pair each of alpha-globin and beta-globin molecules
Fetal hemoglobin (Hemoglobin F), Alkali-resistant hemoglobin, HBF (or Hb F), is the major hemoglobin component in the bloodstream of the fetus. After birth, it decreases rapidly until only traces are found in normal.