彼がES10個分のコントロールをつけたのは本文の以下の記述であきらかでしょう。
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These data suggest that some proportion of cells in the aggregates express pluripotency-associated genes at comparable levels to those of ES cells.
Extended Data Figure 8-iとjのリジェンドにはマウス背景が書かれていないね。
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i, Production of chimaeric mice from STAP stem-cell lines using diploid embryos. *These STAP stem-cell lines were generated from independent STAP cell clusters.
j, Production of mouse chimaeras from STAP stem-cell lines by the tetraploid complementation method. *These STAP stem-cell lines were generated from independent STAP cell clusters.