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Chromosomal Inversions in a Natural Population of Drosophila melanogaster

한국동물학회지 1981년 24권 1호 p.1 ~ 7
임낙영, 이병순,
소속 상세정보
임낙영 ( Rim Nac-Ryong ) - Jeonbuk National University Biological Laboratory
이병순 ( Lee Byong-Soon ) - Jeonbuk National University Biological Laboratory

Abstract

초파리 自然集團의 逆位多型現象을 硏究하기 爲하여 全州近郊의 포도원에서 年間隔으로 三回 採集한 總 969 마리의 암컷을 分析한 結果 19個型의 異型接合逆位를 觀察했다. 19逆位中 全世界分布型 6個를 除外하고 나머지는 모두 地域型이었으며, 本集團의 平均逆位頻度는 38.9%였다.

1. A total of 969 flies were tested and 19 different inversions were found from the present samples collected three times at yearly intervals in an area. 2. Of the 19 polymorphisms, except for the six common paracentric types of cosmopolitan inversions, 13 were endemic. Among this latter group, one was X-chromosomal, 4 were on second chromosome and 8 on third chromosome. 3. Beside two overlapping inversions all the others were identified as single ones. And the inversion frequency on an average in every three samples tested was 38.9%. 4. The high distribution of the inversions apeared to the second chromosome suggests that a differential adaptive force may be present between the second and third chromosome.

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