Comparative karyotypes of two land snails, Euhadra subnimbosa and Euhadra dixoni (Bradybaenidae, gastropoda).:Bradybaenidae, Gastropoda
スポンサーリンク
概要
- 論文の詳細を見る
Somatic chromosomes of two species in the genus Euhadra were observed using the air-drying methods supplying abundance of mitotic cells. The diploid numbers of E. dixoni and E. subnimbosa are confirmed to have 56 in each case. E. subnimbosa bears 21 pairs of metacentric and 7 pairs of submetacentric elements, while E. dixoni has 19 pairs of metacentric and 9 pairs of submetacentric chromosomes. They not only show the same fundamental number NF=112, but also have a secondary constriction in the approximal chromosomal position and in the same sized metacentric pairs. Consequently, the minor karyotypical difference found in the two suggests a close similarity cytologically, though they bear morphological differences.
- 日本学士院の論文
著者
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Tatewaki Reiko
Department Of Biology Shimane Medical University
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Kitada Jin-ichi
Department Of Biology Faculty Of Liberal Arts And Sciences University Of Osaka Prefecture
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KITADA Jin-ichi
Department of Biology, Shimane Medical University
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- Comparative karyotypes of two land snails, Euhadra subnimbosa and Euhadra dixoni (Bradybaenidae, gastropoda).:Bradybaenidae, Gastropoda