(G) Preimplantation development of SCNT embryos. The percentage of embryos reaching each indicated stage is shown. The D-SCNT embryos produced by transfer of dox-Dux cumulus cell (B6D2F1 background) into WT enucleated oocytes (B6D2F1 background). Error bars, mean ± S.D.; n = 3 biological replicates per group. Scale bar, 100 μm. 