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Modification of H3K4me3 in preimplantation embryos. Left panel, fertilization produced embryos at 2-, 4-, 8-cell stages, morula, and blastocyst stages. Scale bar, 10 μm. Right panel, cumulus cell SCNT-produced embryos at 2-, 4-, and 8-cell stages and morula and blastocyst stages. Scale bar, 10 μm.
