The induction by x-rays of double mosaics involving the Y-chromosome, supporting first cleavage segregation in Drosophila melanogaster.
D000818:Animals; D004331:Drosophila melanogaster; D005260:Female; D008297:Male; D008938:Mitosis; D009030:Mosaicism / Q000528:radiation effects*; D011831:Radiation Genetics; D012730:Sex Chromosomes