Assertion: thalassemia's hemoglobin | /r/HasProperty | two alpha
Facets:
Source sentences:
text: Two minor hemoglobins also occur: hemoglobin A 2 , composed of two alpha and two delta globins (α2 δ2) comprises 2-3.5% of hemoglobin, while hemoglobin F, composed of two alpha and two gamma globins (α2 γ2) comprises less than 2% of hemoglobin.
text: Hemoglobin is composed of two alpha and two beta subunits.