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
Ikki Twins clipped by a semitruck in Bakersfield, California. On March 6, she was brought out of her coma. Ikki Twins Erica "Rikki" Mongeon and Victoria "Vikki" Mongeon (born February 18, 1981) better known by the stage name the Ikki Twins are identical twin models, and television personalities. They are best known as the stars of the MTV reality dating show "A Double Shot at Love". The twins started their career working as waitresses at a Hooters restaurant and were featured in Hooters calendars. They gained recognition when they were asked to model on a motorcycle website. The twins have appeared in