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(A) Bodyweights of Cul4b heterozygous mice and littermate wild-type females after birth. Data were presented as mean±SD. N = 8, *: p<0.05; **: p<0.01; ***: p<0.001. (B–E) Representative photographs of Cul4b heterozygous embryos and littermate wild-type controls at 9.5 (B), 10.5 (C), 12.5 (D) and 14.5 (E) dpc. The bar represents 1 mm in (B–C) and 2 mm in (D) and (E), respectively.
