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Effect of 5-aza-dC on nuclear morphology remodeling of cloned embryos post activation. (A) Nuclear morphology of cloned embryos. a, nuclear condensation; b, nuclear; c, pseudo-pronucleus. Images were magnified × 400 and desaturated. (B) The progress of nuclear morphology remodeling during 6 h post activation. The number of embryos detected is at the top of the column chart. a, b Percentages at a given time in columns with different superscripts differ significantly (P<0.05).
