详细信息:Embryonic Stem Cell Lines derived from murine strain C57/BL6J selected for high targeting efficiency and proven germ line transmission. Cells are supplied as 2.5 x 106 ES cells per vial (approximately 2.5 population doublings per passage, shipped frozen on dry ice) and are supplied at passage 11.EmbryoMax™ Embryonic Stem Cell Line - Strain C57/BL6, passage 11, normal male genotype