Karyotyping of Female and Male Hediste japonica(Polychaeta, Annelida) in Comparison with Those of Two Closely Related Species, H. diadroma and H. atoka(Genetics)
スポンサーリンク
概要
- 論文の詳細を見る
Karyotypes of females and males of the brackish-water polychaete Hediste japonica sensu stricto, collected from the Ariake Sea, Japan, were examined by using regenerating tails. We used the Giemsa staining method and a computer-assisted image-analyzing system for the identification of each chromosome pair. The somatic chromosome number was 2n=28. The presence of an XX-XY (male heterogametic) sex chromosome system was determined from well-spread metaphase plates of somatic cells. The type of sex chromosomes related with phenotype exactly. The metacentric Y chromosome was much larger than the submetacentric X chromosome. All autosomes were metacentric. The karyotype of this species was compared with those of the other two closely related species (H. diadroma and H. atoka). The karyotypes of all the three species were similar to one another.
- 社団法人日本動物学会の論文
- 2004-02-25
著者
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MIYAMOTO Junko
Department of Earth and Environmental Sciences, Faculty of Science, Kagoshima University
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Miyamoto J
Department Of Earth And Environmental Sciences Faculty Of Science Kagoshima University
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Tosuji Hiroaki
Department of Chemistry and Bioscience, Faculty of Science, Kagoshima University
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Hayata Yuki
Department of Chemistry and Bioscience, Faculty of Science, Kagoshima University
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Sato Masanori
Department of Earth and Environmental Sciences, Faculty of Science, Kagoshima University
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Miyamoto Junko
Department Of Biology Faculty Of Science Chiba University
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Hayata Yuki
Department Of Chemistry And Bioscience Faculty Of Science Kagoshima University
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Tosuji H
Department Of Chemistry And Bioscience Faculty Of Science Kagoshima University
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Tosuji Hiroaki
Department Of Biology Faculty Of Science Toho University
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Sato Masanori
Dep. Of Earth And Environmental Sciences Graduate School Of Sci. And Engineering Kagoshima Univ.
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Sato Masanori
Department Of Earth And Environmental Sciences Faculty Of Science Kagoshima University
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Sato Masanori
Department Of Applied Physics Tokyo University Of Agriculture And Technology
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