Fig. 3. hus1 mutant larvae accumulate aneuploid nuclei after MMS treatment. (A,B) Chromosome spreads of (A) wild-type neuroblast and (B) hus137 mutant nucleus lacking one sex chromosome. (C) Frequencies of aneuploid nuclei after MMS treatment. Bars indicate standard deviations between the average percentage aneuploid nuclei from four brains from two separate experiments.