Table 3. Time course of lethality in EpCAM −/− mice.

		EpCAM genotype
Age	N =	+/+	+/−	−/−	[dead]
E9.25-9.75	36 (4)*	7	13	16	[0]
E10.5-10.75	42 (6)*	10	22	10†	[5]
E11.5	28 (5)*	9	10	9†	[5]
E12.5	14 (3)*	5	9	0

^†most remaining live embryos developmentally arrested at E10.5-10.5.

^*number of litters examined in parentheses.