Galactosemia Symptoms and Causes
    
        
        
            
        
        Galactosemia may be caused by mutations or defects in any of three genes: galactokinase 1 (), UDP-galactose-4-epimerase (), or galactose-1-phosphate uridyl transferase (). Most commonly, galactosemia is caused by a mutation in the  gene. The  gene normally... 
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