<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to specify the organism of origin for a gene. It may be used to differentiate genes with the same name and functions that originate from different organisms. The domain and range for this role are 'Gene' and 'Organism', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>
nci:P98
Currently, we only model human genes, but this role has obvious utility in future, if other organisms are modeled as well.