TABLE 2

Temperature-sensitive female-specific lethality of scute alleles

sc mutant femalesscsisB/Y mutant male sibsscaiB/Balancer sibs (viability reference): no. of females
CrossaTemperatureGenotypeRelative viability (%)GenotypeRelative viability (%)
New sex-specific sc alleles
A18° scsisB2/scsisB2 89 scsisB2/Y 131250
A25° scsisB2/scsisB2 9 scsisB2/Y 87303
C25° scsisB2 Sxl+/Df(ASC) SxlM4 86190
B18° scsisB3/scsisB3 94 scsisB3/Y 104332
B25° scsisB3/scsisB3 0.3 scsisB3/Y 115342
D25° scsisB3 Sxl+/Df(ASC) SxlM4 104191
A phenotypically similar older allele (alias sc3-1)
E18° scsisB1/scsisB1 76 scsisB1/Y 80124
E25° scsisB1/scsisB1 35 scsisB1/Y 113417
A possible null point mutant allele for comparison
F18° scM6/scM6 12 scM6/Y 109390
F25° scM6/scM6 <0.2 scM6/Y 89571
G22° scM6 Sxl+/Df(ASC) SxlM4 10180
  • a Full genotypes: (A) yscsisB2/Binsinscy × y scsisB2/Y; (B) yscsisB3/Binsinscy × y scsisB3/Y; (C) Df(1)sc19,y pn cm SxlM4/Binsinscy × y scsisB2/Y; (D) Df(1)sc19,y pn cm SxlM4/Binsinscy × yscsisB3/Y; (E) scsisB1 w/Binsinscy × scsisB1 w/Y; (F) scM6 w/Binsinscy × scM6 w/Y; and (G) Df(1)sc19,y pn cm SxlM4/Binsinscy × scM6 w/Y.