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Injection of mouse mII ooplasm into 1- or 2-cell mouse embryos does not elicit cytostatic arrest. (A) Percentages of embryos whose blastomeres had undergone cell division 24 h after injection with buffer (filled) or mII ooplasm (stippled). Paired images show epifluorescence (left) merged with DIC (right) microscopy of embryos (B) 2 h or (C) 24 h after injection of 2-cell blastomeres with cytoplasm from mII oocytes transgenic for mitochondrially localized Venus protein. Bar=20 μm.
