title: Unusual chromosome movements in sciarid flies.
mesh_terms: D000818:Animals; D002502:Centrioles / Q000502:physiology; D002875:Chromosomes / Q000502:physiology*; D003433:Crosses, Genetic; D004175:Diptera / Q000166:cytology / Q000502:physiology*; D005260:Female; D005306:Fertilization; D008297:Male; D008540:Meiosis; D009866:Oogenesis; D012732:Sex Determination Analysis; D013091:Spermatogenesis; D013094:Spermatozoa / Q000502:physiology; D014960:X Chromosome