<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Observable properties of genetic character, changed or induced by a modification. The resultant progeny inherits physical distinctive traits indicative of the specific parent gene. The source of alteration can be environmental, or due to internal aberration such as a mutation.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>