title: Genetic heterogeneity of the hexosaminidase deficiency diseases.
mesh_terms: D002524:Cerebellar Ataxia / Q000235:genetics; D006596:Hexosaminidases / Q000172:deficiency* / Q000235:genetics; D006801:Humans; D009046:Motor Neurons; D009468:Neuromuscular Diseases / Q000235:genetics; D012497:Sandhoff Disease / Q000235:genetics; D013379:Substrate Specificity; D013661:Tay-Sachs Disease / Q000235:genetics
chemical_list: D006596:Hexosaminidases