<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A specializing role which may be used to override Gene_Has_Abnormality that has been asserted for the gene class. This role is used to establish a link between a specific allele and genetic or molecular abnormalities that have been observed in human cells and tissues associated with cancer or another disease of interest. The domain and range for this role are 'Gene' and 'Molecular Abnormality', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>