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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ikebe, Chikako Kuro o, Masaki Ohtani, Hiromi Kawase, Yoshie Matsui, Tomomi Koh, Sei ichi |
| Copyright Year | 2005 |
| Abstract | Using Giemsa staining, C-banding and Ag-NOR staining techniques, we analyzed chromosomes in adult male and female Hynobius quelpaertensis and in embryos of this species in egg sacs collected from eight localities of Cheju Island, South Korea. Chromosome pair 21 was consistently homomorphic in male specimens, while it was heteromorphic in female specimens, suggesting the occurrence of ZZ/ZW sex chromosome constitution in this species. The W chromosome, being much larger than the Z chromosome, was of three morphologically distinct types: WA, WB and WC. Lampbrush chromosomes examined in the oocytes of one female specimen having the WA chromosome showed that the short arm of the WA chromosome and the long arm of the Z chromosome paired closely and hence are genetically homologous. We also tried to analyze the structural relationship among the three types of W chromosomes based on their C-banding and Ag-NOR patterns. |
| Starting Page | 157 |
| Ending Page | 167 |
| Page Count | 11 |
| File Format | |
| ISSN | 09673849 |
| Journal | Chromosome Research |
| Volume Number | 13 |
| Issue Number | 2 |
| e-ISSN | 15736849 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2005-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | cytogenetics evolution Hynobius quelpaertensis lampbrush chromosomes sex chromosomes Human Genetics Cell Biology Plant Genetics & Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics |
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