<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to designate the type of biomarker a gene is; it points to a small tree of biomarker types (e.g., Disease Marker, Metabolic Marker, Prognostic Marker). The domain and range for this role are 'Gene' and 'Diagnostic or Prognostic Factor', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>