Insertion of an I element.
wIRI has phenotype, suppressible by Pcf11γb
wIRI has phenotype, suppressible by Pcf11γc
wIRI has phenotype, suppressible by Pcf11γd
wIRI has phenotype, suppressible by Pcf11EMS3
wIRI has phenotype, suppressible by Pcf11EMS4
wIRI has phenotype, suppressible by Pcf11EMS5
wIRI has phenotype, suppressible by Pcf11hd1