User blog comment:VeryUnknownFan/Jayden-G's review of Twinning Isn't Everything/@comment-28381748-20140709070947/@comment-10310224-20140711024920

fraternal twins are that pretty much, but growing up at the exacts same time will make them look a lot more like siblings. But if you get into the whole twin telepathy thing there a little more then regular siblings.

But yeah, especially if the parents are different races, they can look completely different.