TABLE 5.

Crosses of Int(2L)D+S/CyO females and D. melanogaster males

	Females			Males
Paternal genotype	Cy	Cy+	Viabilitya	Cy	Cy+	Viabilitya	Effect on Cy+ fliesb
Df(2L)FCK-20/CyO	164	14	0.17	177	59	0.67	Yes
Df(2L)BSC241/CyO	1215	1	<0.01	1242	10	0.02	Yes
Df(2L)BSC36/CyO	2000	2	<0.01	1929	5	<0.01	Yes
Df(2L)Exel6027/CyO	195	36	0.37	185	52	0.56	Yes
Df(2L)ab-c1/CyO	127	31	0.49	149	71	0.95	Yes
Df(2L)BSC242/CyO	218	7	0.06	209	44	0.42	Yes
Df(2L)BSC343/CyO	199	120	1.21	225	114	1.01	No
Df(2L)Exel6028/CyO	152	103	1.36	179	95	1.06	No
P{EP}Nup160EP372/CyO	133	92	1.38	172	105	1.22	No
P{lacW}l(2)SH2055SH2055/CyO	248	127	1.02	247	131	1.06	No
PBac{RB}RfC38e00704/CyO	195	103	1.06	201	123	1.22	No

^aViability of Cy⁺ flies relative to Cy flies was calculated as two times the number of Cy⁺ flies divided by the number of Cy flies because the Cy:Cy⁺ ratio is expected to be 2:1.

^bSee text under Other potential sites for hybrid incompatibility for the phenotype.