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Genetic effects of γ-radiation on natural populations ofDrosophila willistoni

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Zusammenfassung

Eine isolierte natürliche Population vonDrosophila willistoni erhielt während eines Jahres eine beträchtliche Beimischung von F1-Co 60-bestrahlten Fliegen. Die genetische Analyse ergab, dass die Häufigkeit der letalen und semiletalen Allele nach 5 Generationen rasch wieder auf das Normale sank. Die Frequenz der Letalallele war allerdings noch hoch, gleich hoch wie in der in Massenkultur gehaltenen bestrahlten Zucht. Erst nach 15 Generationen sank sie zum Niveau der natürlichen Kontrollpopulation. Einzelne durch Bestrahlung erhaltene Letalallele blieben in der Population erhalten.

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Author information

Authors and Affiliations

  1. Departmento de Genética, ICN Universidade do Rio Grande do Sul, Pôrto Alegre, Brazil

    Helga Winge, Marly Napp, Clara M. P. Maciel & E. K. Marques

Authors
  1. Helga Winge
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  2. Marly Napp
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  3. Clara M. P. Maciel
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  4. E. K. Marques
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Additional information

Work developed (1957–1960) with grants in aid of the Conselho Nacional de Pesquisas (CNPq: Brazilian Nat. Council of Research) and the Rockefeller Foundation.

We acknowledge the constant interest and suggestions of Dr.A. R. Cordeiro in charge of the general planning of the radiation genetics project.

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Winge, H., Napp, M., Maciel, C.M.P. et al. Genetic effects of γ-radiation on natural populations ofDrosophila willistoni. Experientia 17, 406–408 (1961). https://doi.org/10.1007/BF02157971

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