Yup. There's South Park episode dealing with it. Everyone gets a home DNA kit done and end happy they are 7%, 19%. 57%, 14%, whatever % "victim"
And it is an epic episode
Semi warning, might not be safe for all work
[video=youtube;gKxtXzAgGew]https://www.youtube.com/watch?v=gKxtXzAgGew[/video]