Winning the Genetic Lottery: Biasing Birth Sex Ratio Results in More Grandchildren

• Collette M. Thogerson,

  Affiliation Ecological Services, U.S. Fish & Wildlife Service, Arlington, Virginia, United States of America

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• Colleen M. Brady,

  Affiliation Department of Animal Sciences, Purdue University, West Lafayette, Indiana, United States of America

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• Richard D. Howard,

  Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

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• Georgia J. Mason,

  Affiliation Department of Animal and Poultry Science, University of Guelph, Ontario, Canada

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• Edmond A. Pajor,

  Affiliation Veterinary Medicine, University of Calgary, Alberta, Canada

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• Greg A. Vicino,

  Affiliation Collections Husbandry Science, San Diego Zoo Global, San Diego, California, United States of America

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• Joseph P. Garner

  * E-mail: jgarner@stanford.edu

  Affiliation Department of Comparative Medicine, and by Courtesy, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America

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