Dp(1;3)DC273 rescues the lethality of Df(1)BSC546 in Df(1)BSC546/Y, w1118; +; Dp(1;3)DC273/+ Dp(1;3)DC243 rescues the lethality of Df(1)Exel9050 in Df(1)Exel, w1118/Y; +; Dp(1;3)DC243/+ Dp(1;3)DC134 rescues the lethality of Df(1)FDD0230908 in Df(1)FDD0230908, w1118/Y; +; Dp(1;3)DC134/+