Human Phenotype Ontology 
Grandparent Node:
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Abnormal hemoglobin (HP:0011902)help
Parent Node:
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Imbalanced hemoglobin synthesis (HP:0005560)help
..Starting node
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Reduced alpha/beta synthesis ratio (HP:0011907)help
Term ID: 11907
Name: Reduced alpha/beta synthesis ratio
Synonym:
Definition: A reduction in the ratio of production of alpha globin to that of beta globin. This is the major abnormality in the various forms of alpha thalassemia.
Comments:
Reference: HP:0011907
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandReduced beta/alpha synthesis ratio (HP:0011906) help


Genes (4) :ATRX HBA1 HBA2 HBB

Diseases (5) :OMIM:300448 OMIM:301040 OMIM:604131 OMIM:613978 ORPHA:90039
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.