A pericentric-inversion polymorphism and s ZZ/ZW sex-chromosome system in Varanus acanthurus Boulenger analyzed by G- and C-banding and Ag staining |
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| Authors: | M. King G. A. Mengden D. King |
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| Affiliation: | (1) Department of Population Biology, Research School of Biological Sciences, Australian National University, PO Box 475, 2601 Canberra, ACT, Australia;(2) Agriculture Protection Board of Western Australia, Bougainvillea Avenue, 6058 Forrestfield, W. Australia |
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| Abstract: | A chromosomal analysis of the monitor Varanus acanthurus Boulenger has been made using G- and C-banding and silver-staining techniques. This species has two cytotypes, one of which has a pericentric-inversion polymorphism, whereas the other is chromosomally monomorphic. A ZZ/ZW sex-chromosome system is also present in both cytotypes of this species. The banding patterns of these mechanisms are described and their evolution is discussed. |
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