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. 2003 Jan 13;100(3):1111–1115. doi: 10.1073/pnas.0337404100

Figure 3.

Figure 3

Deletion of either Ey gene promoter or βh1 promoter does not change mRNA expression of the remaining embryonic gene in the yolk sac. (A) Representative assay of βh1 expression in yolk sac of WT and ΔEy mice heterozygous for the D and S alleles. (B) Representative assay of Ey expression in yolk sac of WT and Δβh1 mice heterozygous for the D and S alleles. (C) Graph of composite data for mRNA expression of βh1 in ΔEy mice and Ey in Δβh1 mice. Shown is the mutant D/S ratio divided by the WT D/S ratio. WT values are the WT D/S ratio divided by itself to normalize all data to 1.0. Error bars are the standard deviation of the mean for multiple individual mice before normalization.