title: Trimodality in the percentages of beta chain variants in heterozygotes: the effect of the number of active Hbalpha structural loci.
mesh_terms: D044383:Black People; D002675:Child, Preschool; D004906:Erythrocyte Count; D004912:Erythrocytes / Q000032:analysis; D005312:Fetal Blood; D005914:Globins / Q000096:biosynthesis; D006441:Hemoglobin A / Q000032:analysis; D006454:Hemoglobins / Q000032:analysis; D006455:Hemoglobins, Abnormal / Q000096:biosynthesis*; D006579:Heterozygote; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010375:Pedigree
chemical_list: D006454:Hemoglobins; D006455:Hemoglobins, Abnormal; D005914:Globins; D006441:Hemoglobin A