title: Uncoupling of gonial and spermatocyte stages by means of conditional lethal mutations in Drosophila melanogaster.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D004331:Drosophila melanogaster / Q000033:anatomy & histology / Q000235:genetics*; D005260:Female; D005854:Germ Cells / Q000166:cytology*; D008297:Male; D009154:Mutation; D013090:Spermatocytes / Q000166:cytology*; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000166:cytology; D014960:X Chromosome