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Table 1 Number of E1.5 and E2.5 embryos derived from wild-type (WT) and Ago2-deficient (KO) oocytes.

From: Essential role for Argonaute2 protein in mouse oogenesis

  Litters Non-divided 2-cell 8-cell Fragmented
E1.5 (WT) 5 1 44 (83%) - 8
E1.5 (KO) 21 87 9 (5%) - 80
E2.5 (WT) 2 0 0 12 (100%) 0
E2.5 (KO) 2 2 0 0 (0%) 8
  1. Embryos were isolated from the oviducts of wild-type and Ago2 conditional knockout females one day (E1.5) or two days (E2.5) after plugged by wild-type males.