19-20;80-81
19-20;80-81
bk1 hits l(1)v361
X/0 males are lethal (relative viability of 0.02), X/Y males are viable (relative viability of 1.04). Levels of maternal nondisjunction are high. Males are sterile. Recovery of male lethals cannot be reduced when in combination with either E(var)71 or Df(2R)M41A10.
failure of sperm head elongation XY male fully viable X0 male lethal XY male sterile
Selected as X chromosomes lethal or semilethal in X0 males, but viable in XY males.
All limits from polytene analysis (FBrf0013319)