User blog comment:VeryUnknownFan/Jayden-G's review of Twinning Isn't Everything/@comment-28381748-20140709070947/@comment-1376932-20140710033218

Hey, BatmanTDI, excuse the stupidity of this question since I'm not super-informed on genetics but... aren't all twins identical? Or at least most, anyway. I guess you can be fraternal but isn't that like a one in a million opportunity? o_o