Table 1. The maternal-effect cei mutation results in a highly penetrant recessive cellularization defect and a partially penetrant dominant phenotype.

Maternal Genotype1	Cellularization phenotype (%)2 (least severe) (most severe)					n
	normal	c1	c2	c3	c4
+/+	100	0	0	0	0	133
+/+	100	0	0	0	0	236
cei/+	86	14	0	0	0	65
cei/+	56	18	16	8	1	293
cei/+	74	18	6	2	0	136
cei/+	98	1	0.5	0	0.5	193
cei/+	95	5	0	0	0	40
cei/cei	0	0	0	0	100	111
cei/cei	0	0	0	0	100	160
aurBhi1045/+ 3	100	0	0	0	0	2156
aurBhi3986/+	100	0	0	0	0	128

¹Genotype of different sibling adult females generating the clutch, mated to wild-type males.

²Percent of embryos exhibiting cellularization defects of various severities at the 1,000-cell stage, according to the classification presented in Figure 1O–R.

³Data for aurB^hi1045/+ females is pooled from clutches from 11 different females.