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. 2016 May 5;291(28):14457–14467. doi: 10.1074/jbc.M116.733154

TABLE 3.

Phenotype and viability of Tyr-edited embryos and mice by CRISPR-EZ

Genome editing method Embryos treated Embryos transferred Mice born Coat color
Black Albino Mosaic
mRNA injection 136 (93)a 60 5 1 (20%) 3 (60%) 1 (20%)
CRISPR-EZ, 1 ms 140 85 44 23 (53%) 12 (27%) 9 (20%)
CRISPR-EZ, 3 ms 120 90 33 1 (3%) 29 (88%) 3 (9%)

a 93 of 136 collected embryos were injected after screening for presence of pronuclei. In contrast, CRISPR-EZ was performed on all collected embryos.