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Representative photographs of bovine NT embryo cleavage (magnification, 40×) on day 2 (A) and day 7 (B). (A1 and B1) Dox-induced/treated SCNT embryos (induced NT group); (A2 and B2) no dox-induced/treated SCNT embryos (control NT group); (A3 and B3) IVF embryos (IVF group).
