Table 1.

Frequency of binucleate cells in tum mutant embryos

Genotype Fraction binucleate* (mean ± s.e.m.) n
tumDH15/CyO-P{en1}wgen11 0 719 (5)
tumDH15/tumDH15 0.91±0.04 537 (6)
tumDH15/Df(2R)Exel7128 0.88±0.03 538 (5)
Df(2R)Exel7128/Df(2R)Exel7128 0.94±0.02 440 (5)
tumDH15/tumAR2 0.70±0.12 674 (6)
tumAR2/tumAR2 0.74±0.08 641 (5)
tumAR2/Df(2R)Exel7128 0.71±0.11 662 (7)
  • * Three 40×40 μm areas were photographed in late/post germ-band-retraction-stage embryos and the fraction of binucleate cells determined and averaged for each embryo. The means and the s.e.m. were calculated from these averages

  • Number of cells scored (number of embryos)