. 2007 May 10;26(11):2693–2706. doi: 10.1038/sj.emboj.7601722

Table 1.

Embryonic lethality in UbC^−/− mice

Age	Litters	UbC^+/+	UbC^+/−	UbC^−/−	Dead	Total
E9.5–11.5	4	10	19	7	0	36
E12.5	17	46	66	20	21	153
E13.5	26	21	51	11	21	104
E14.5–15.5	7	18	29	2	13	62
E16.5–17.5	5	9	21	0	8	38
E18.5	2	3	9	0	1	13
Birth	52	95	196	0	0	291
Embryos were dissected at the indicated time of gestation and examined heartbeat for viability. Genotypes were determined by PCR using genomic DNA isolated from embryos. E: embryonic day.