Table 1.

ced-11 nonrefractile apoptotic cells are cells that normally undergo apoptosis

Genotype	No. refractile apoptotic cells	No. nonrefractile apoptotic cells
1.5-fold–stage embryos
Wild-type	12.0 ± 1.8	0.0 ± 0.0
ced-11(n2744)	0.1 ± 0.3	4.8 ± 0.9
ced-3(n717)	0.0 ± 0.0	0.0 ± 0.0
ced-11(n2744); ced-3(n717)	0.0 ± 0.0	0.0 ± 0.0
ced-4(n1162)*	0.0 ± 0.0	0.0 ± 0.0
ced-4(n1162) ced-11(n2744)*	0.0 ± 0.0	0.0 ± 0.0
Threefold-stage embryos
ced-5(n1812)	27.6 ± 3.1	1.1 ± 1.1
ced-11(n2744); ced-5(n1812)	1.0 ± 1.1	24.3 ± 4.3
ced-5(n1812) ced-3(n717)	0.3 ± 0.4	0.1 ± 0.3
ced-11(n2744); ced-5(n1812) ced-3(n717)	0.6 ± 0.8	0.5 ± 0.8

Apoptotic cells were identified by DIC. Data are shown as mean ± SD; n > 20.

^*Strains contain dpy-17(e164).