Table 2. Survival of Tuba1a deletion mutants^*.

	wild-type	heterozygous	homozygous	total	p-value
Survival at weaning
Tuba1ad4262	36	39	0	75	2.95e-08
Tuba1ad4304	38	64	0	102	9.39e-26
Tuba1a combined	74	103	0	177	3.4e-15
Embryonic survival
Tuba1ad4262 x Tuba1ad4262	7	18	11	36	0.64
Tuba1ad4304 x Tuba1ad4304	40	105	51	196	0.17
Tuba1a combined	47	123	62	232	0.18

* All data here are from heterozygous intercrosses