Boomsma, Jacobus J.Beekman, MadeleineCornwallis, Charlie K.Griffin, Ashleigh S.Holman, LukeHughes, William O.H.Keller, LaurentOldroyd, Benjamin PRatnieks, Francis L.W.2015-12-100028-0836http://hdl.handle.net/1885/66217Keywords: altruism; breeding; eusociality; evolution; fitness; nonhuman; note; phenotype; population structure; priority journal; reproduction; sibling; social aspect; Altruism; Animals; Biological Evolution; Cooperative Behavior; Female; Game Theory; Genetic FitneOnly full-sibling families evolved eusociality201110.1038/nature098322016-02-24