About the Authors

Yuan Zhu

yuanzhu@stanford.edu

Affiliation Department of Genetics, Stanford University, Stanford, California, United States of America

Alan O. Bergland

Affiliation Department of Biology, Stanford University, Stanford, California, United States of America

Josefa González

Affiliations Department of Biology, Stanford University, Stanford, California, United States of America, Institute of Evolutionary Biology (Spanish National Research Council-Pompeu Fabra University), Passeig Maritim de la Barceloneta, Barcelona, Spain

Dmitri A. Petrov

Affiliation Department of Biology, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YZ AOB JG DAP. Performed the experiments: YZ AOB JG. Analyzed the data: YZ. Contributed reagents/materials/analysis tools: YZ AOB JG. Wrote the paper: YZ AOB JG DAP.