キイロショウジョウバエにおける性的隔離の選択〔英文〕

DOI Web Site Web Site
  • FUKATAMI A.
    Department of Biology, Faculty of Science, Tokyo Metropolitan University
  • MORIWAKI D.
    Department of Biology, Faculty of Science, Tokyo Metropolitan University

書誌事項

タイトル別名
  • SELECTION FOR SEXUAL ISOLATION IN <i>DROSOPHILA MELANOGASTER</i> BY A MODIFICATION OF KOOPMAN'S METHOD
  • キイロショウジョウバエ ニ オケル セイテキ カクリ ノ センタク エイブン

この論文をさがす

説明

The aim of the present study was to produce sexual isolation between two mutant strains, brown and ebony, of D. melanogaster with or without X-ray treatment. These two mutant strains were prepared in such a way as to have a nearly common genetic background before selection.<br>A new selection procedure for the collection of the parents for the next generation, which is modified from that of Koopman, was applied. Four hundred flies in total, one hundred females and one hundred males of each of two mutant strains, were put into a population cage for 72 hours or into a population bell for 48 hours. Each female was isolated individually and allowed to lay eggs after the mating period and the type of mating was determined by the progeny test. On the average, about 20 percent of double matings were observed during 72 hours. In this study, progenies from homogamic matings were selected as the parents exclusively. The proportion of females producing wild type progeny was taken as the measure of the sexual isolation.<br>Regression coefficients of frequencies of females which produced wild type progeny in all four selected lines with X-ray treatment were negative, whereas three were positive in four selected lines without X-ray treatment. Selection for sexual isolation may be effective under the conditions of an effective procedure applied and with X-ray treatment producing gene mutations which affect mating preference.

収録刊行物

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ