amorphic allele - molecular evidence
Imprecise excision of the P{EP} element, resulting in a deletion that removes the entire cher transcription unit.
female sterile | recessive
egg chamber
nurse cell ring canal
chersko/cherEPSΔ12.1 females show disruption of actin organisation in egg chambers and ring canal growth is reduced. Few intact ring canals are seen in late stage egg chambers.
chersko
Female sterile in combination with chersko.