February 12, 2013
Scientific American, 14 June 2007 Emmett and Otto Ramstad present a fascinating glimpse into the diversity of biology. They are rhizozygotic twins. Rhizozygotic twins are an extremely rare form of multiple birth, enabled by the wonders of assisted reproductive technology. On September 20 1975, an egg, or blastocyst, was harvested from the Ramstad twins’ […]