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Dorion Sagan

Cell Mergers and the Evolution of New Life Forms: Symbiogenesis Rather Than Selection

James A. Shapiro | Posted 10.21.2012 | Science
James A. Shapiro

Since all "higher" and large multicellular organisms, including ourselves, are eukaryotes, the formation of the eukaryotic cell is arguably the single most important evolutionary event since the origin of life.