title: Induced nondisjunction in drosophila oocytes.
abstract: Nondisjunction of the sex chromosomes and compound-second chromosomes was induced in Drosophila melanogaster by irradiation of immature oocytes and cold treatment of mature oocytes. These two treatments cause nondisjunction by different mechanisms. This results in a differential for stage sensitivity and the production of relatively different frequencies of the various exceptional progeny classes.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D003080:Cold Temperature; D004331:Drosophila melanogaster; D005260:Female; D005787:Gene Frequency; D009865:Oocytes / Q000502:physiology*; D010063:Ovum / Q000502:physiology*; D012730:Sex Chromosomes