3D-3F;h33-h34;50;80;81
1Lt - 3D | 50 - 2Lt ; | 3F - h33 | ; 1Rt - h34 | 81 - 3Lt ; 2Rt - 50 | 80 - 3Rt
3D-3F;h33-h34;50;80;81
bk1 hits l(1)v459
X/0 and X/Y males are lethal (relative viability of 0 and 0.02, respectively). Levels of maternal nondisjunction are low. Males are fertile.
failure of sperm head elongation XY males have rough eyes and deformed wings and wing veins. viability XY: .78 X0 male lethal XY male fertile
Selected as X chromosomes lethal or semilethal in X0 males, but viable in XY males.
Postulated that centromere of chromosome 3 split or double with one half capped by 2R and the other by XR.
All limits from polytene analysis (FBrf0013319)