Although this difference failed to reach significance in the analysis shown as E12.5 experiment 2 in Fig.
2
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The sentences
BALB/c cells were not over-represented in the yolk sac endoderm or placenta in E12.5 chimaeras, and there was usually a clear trend for them to be under-represented in these lineages even if this was less often significant than in the epiblast tissues ( Fig.