Conjoined twins is fusion, in which a fertilized egg completely separates, but stem cells (which search for similar cells) find similar stem cells on the other twin and fuse the twins together. Conjoined twins share a single common chorion, placenta, and amniotic sac, although these characteristics are not exclusive to conjoined twins, as there are some monozygotic but non-conjoined twins who also share these structures "in utero". The most famous pair of conjoined twins was Chang and Eng Bunker (Thai: อิน-จัน, In-Chan) (1811–1874), Thai brothers born in Siam, now Thailand. They traveled with P.T. Barnum's circus for many years and were labeled
The Dolan Twins The Dolan Twins Ethan and Grayson Dolan (born December 16, 1999), collectively known as The Dolan Twins, are an American comedy duo who rose to prominence in May 2013 on the video sharing application Vine. They are currently signed to AwesomenessTV, and have been since 2015. The twins are from the Long Valley section of Washington Township, Morris County, New Jersey. On December 19, 2017 they published a video, highlighting what type of twins they are. In the video Ethan Dolan expressed doubt that they were identical twins, in truth they are. Since their beginnings, the duo has accumulated over