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

From: The role of Drosophila Merlin in spermatogenesis

Genetic cross Males carrying Mer4 Viability Fertility
♀♀ 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 wa; +/+; +/+ × ♂♂ 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 wa; +/+; +/+ × ♂♂ 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 }/+ - -