Table 1 The ability of various transgenes to restore the viability and fertility of the Mer⁴ allele.

♀♀ y w Mer⁴/FM7i, GFP; +/+; +/+ × ♂♂ w sn/Y; +/+; P{w⁺ = cosMer⁺}/+

y w Mer ⁴ /Y; +/+; P{w ⁺ = cosMer ⁺ }/+

y w Mer ⁴ /Y; +/+; +/+

♀♀ y w Mer⁴/M-5, B w^a; +/+; +/+ × ♂♂ y w/Y; Act5C-Gal4/If; P{w⁺ = UASP-Mer⁺}/TM6, Tb

y w Mer ⁴ /Y; Act5C-Gal4/+; P{w ⁺ = UASP-Mer ⁺ }/+

y w Mer ⁴ /Y; Act5C-Gal4/+; +/TM6, Tb

y w Mer ⁴ /Y; If/+; TM6, Tb/+

y w Mer ⁴ /Y; If/+; P{w ⁺ = UASP-Mer ⁺ }/+

♀♀ y w Mer⁴/M-5, B w^a; +/+; +/+ × ♂♂ y w/Y; Act5C-Gal4/If; P{w⁺ = UASP-Mer³}/TM6, Tb

y w Mer ⁴ /Y; Act5C-Gal4/+; P{w ⁺ = UASP-Mer ³ }/+

y w Mer ⁴ /Y; Act5C-Gal4/+; +/TM6, Tb

y w Mer ⁴ /Y; If/+; TM6, Tb/+

y w Mer ⁴ /Y; If/+; P{w ⁺ = UASP-Mer ³ }/+