Table 3. Outcome of crosses of the Dkk3b^CFP/wt, Cre-rescued DKK3b^ΔCFP/wt mutant and Dkk3b^wt/wt mice.

	Genotype			Genotype
Strain	male	female	pups	Dkk3bwt/wt		Dkk3bCFP/wt		Dkk3bCFP/CFP
				Exp.	Obs.	Exp.	Obs.	Exp.	Obs.
C57Bl6j	Dkk3bCFP/wt	Dkk3bwt/wt	159	80	84	80	75	0	0
				(50%)	(53%)	(50%)	(47%)	(0%)	(0%)
		Dkk3bCFP/wt	135	33	46	68	89	33	0
				(25%)	(34%)	(50%)	(66%)	(25%)	(0%)
CD1	Dkk3bCFP/wt	Dkk3bwt/wt	159	80	84	80	75	0	0
				(50%)	(53%)	(50%)	(47%)	(0%)	(0%)
		Dkk3bCFP/wt	135	33	46	68	89	33	0
				(25%)	(34%)	(50%)	(66%)	(25%)	(0%)
				Dkk3bwt/wt		Dkk3bΔCFP/wt		Dkk3bΔCFP/CFP
						Dkk3bCFP/wt
CD1	Dkk3bwt/wt	Dkk3bΔCFP/wt	56	28	27	28	29	0	0
				(50%)	(48%)	(50%)	(52%)	(0%)	(0%)
	Dkk3bCFP/wt	Dkk3bΔCFP/wt	63	16	18	32	32	15	13
				(25%)	(29%)	(50%)	(51%)	(25%)	(21%)