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朝鮮半島南部・濟州島・対馬・壱岐のショウリョウバッタ集団における過剰染色体(B染色体)


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タイトル: 朝鮮半島南部・濟州島・対馬・壱岐のショウリョウバッタ集団における過剰染色体(B染色体)
その他のタイトル: Supernumerary chromosomes (B chromosomes) of Acrida lata Motschulsky in populations of southern Korea, Cheju Do, Tsushima and Iki
著者: 茅野, 博 / 呉, 文儒 / 茅野, 愛子
著者(別表記) : Kayano, Hiroshi / Oh, Moon You / Kayano, Aiko
発行日: 1995年 3月27日
出版者: 長崎大学教養部
引用: 長崎大学教養部創立30周年記念論文集, pp. 223-231, 1995 / Bulletin of the Faculty of Liberal Arts, 35 (Special issue), pp. 223-231; 1995
抄録: Sample males of populations of Acrida lata Motschulsky were collected from four areas, southern Korea, Cheju Do, Tsushima and Iki, including 8 localities. The chromosomes in primary spermatocytes were observed using 75 males from southern Korea, 113 from Cheju Do, 130 from Tsushima, and 89 from Iki (Table 1). Chromosomes of the primary spermatocytes were 11II+X (2n♂=22+X), 11II+X+1B (2n♂=22+X+1B), and 11II+X+2B (2n♂=22+X+2B), which were different among the individulas within the populations (Figs. 1-4). The B chromosome was smaller than the smallest member (11th chromosome) of the normal complement. The B chromosomes in these areas were morphologically the same. The frequencies of males with B chromosomes and mean number of B chromosomes per male were different among the populations (Table 1). The B chromosomes were the same as found in the populations found in mainland of Kyushu, Hirado-jima, and Goto-retto (Table 2, Fig. 5). This fact is explicable on the basis that the region over Korea to Kyushu was continuous land during the last gracial age. At that geological age Acrida lata was able to distribute over this region. The B chromosomes have been maintained in the populations in the islands after the populations were separated by the sea.
キーワード: 染色体 / B染色体 / ショウリョウバッタ / 集団 / 生物地理 / chromosome / B chromosome / Acrida lata / population / biogeography
URI: http://hdl.handle.net/10069/21917
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:長崎大学教養部創立30周年記念論文集

引用URI : http://hdl.handle.net/10069/21917

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