This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Twins Mandy and Marcie, both 35, are unsure whether they are identical or fraternal. The sisters take a DNA swab test to determine once and for all what type of twins they are! ShareTweet