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Acknowledgements
Acknowledgments.-We are indebted for help and advice from Mr Koichi Fujii. The technical assistance of Mrs Maxine L. Howe, Mrs Linda McQuain, Mrs Kay Steele and Mrs Cornelia Tollefson is greatly appreciated. Mr George Loustalet prepared the illustrations.
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This research was supported by Grant GM 11935 and by Public Health Service Research Program Award (number K3-GM-22, 021-01S1) both from the National Institute of General Medical Sciences to Robert R. Sokal.
Contribution No. 5 from the Program in Ecology and Evolution at the State University of New York at Stony Brook.
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Sokal, R., Bryant, E. & Wool, D. Selection for changes in genetic facilitation: negative results in Tribolium and Musca.. Heredity 25, 299–306 (1970). https://doi.org/10.1038/hdy.1970.31
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DOI: https://doi.org/10.1038/hdy.1970.31