キイロショウジョウバエにおけるP因子による生存力を支配する突然変異の誘発〔英文〕

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  • YUKUHIRO Kenji
    Department of Biology, Faculty of Science, Kyushu University
  • HARADA Ko
    Department of Biology, Faculty of Science, Kyushu University
  • MUKAI Terumi
    Department of Biology, Faculty of Science, Kyushu University

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タイトル別名
  • Viability mutations induced by the P elements in Drosophila melanogaster.
  • キイロショウジョウバエ ニ オケル P インシ ニ ヨル セイゾンリョク オ

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Mutations were accumulated for 9 generations on 53 second chromosomes that originated from a single chromosome. The test of viability for these chromosomes indicates that the P elements induce mainly lethal and severely detrimental mutations. The lethal load induced during 9 generations was approximately 1.5times as large as that of the equilibrium populations. These mutations did not modify the specific activity of alcohol dehydrogenase. These findings were a sharp contrast to those for the mutations induced by a putative transposon detected in the Osaka population by Mukai and Yukuhiro (1983).

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