Sickle Cell Disease Ontology Project HBB and HBD Deletion http://scdontology.h3abionet.org/ontology/SCDO_0005671 Deletion of the HBB and HBD genes that results in delta-beta thalassemia. Term info curator note Request inclusion into relevant ontology dc:creator SCDO existence in other ontologies None Term relations Subclass of: Delta Beta Thalassemia Mutation Beta-Globin Locus Deletion Related from: has causal or contributing genetic variation Delta Beta Thalassemia Delta Beta Thalassemia Please enable JavaScript to view the comments powered by Disqus.