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
Carlson Twins regularly featured on the HGTV program, "Deserving Design", with Vern Yip. Kyle's primary role on the program involved carpentry. Lane is the executive director of Sunflower Children, which he founded with Helena Houdová, and in 2010 he promoted awareness of autism at a charity event, Sea Paddle NYC. Carlson Twins Kyle and Lane Carlson (born December 24, 1978) are identical twin brothers known as the Carlson Twins. The Carlson twins work together as male fashion models. The twins were born in Stillwater, Minnesota, United States, Kyle six minutes after Lane. The Carlson twins grew up with two older siblings, Aaron