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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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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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References

  • Becak, M. L., Becak, W. & Denaro, L., 1972. Chromosome polymorphism, geographic variation and karyotypes in Sauria. Caryologia 25, (3): 313–326.

    Google Scholar 

  • Bhatnagar, A. N. & Yonis, Y. Th., 1976. A proof of female heterogamety in a lacertid lizard Ophisops elegans. Cytologia 41: 507–511.

    Google Scholar 

  • Bull, J. 1978. Sex chromosome differentiation: an intermediate stage in a lizard. Can. J. Genet. Cytol. 20: 205–209.

    Google Scholar 

  • Chevalier, M., Dufaure, J. P. & Lecher, P., 1979. Cytogenetic study of several species of Lacerta (Lacertidae. Reptilia) with particular reference to sex chromosomes. Genetica 50, 1: 11–18.

    Google Scholar 

  • Cole, C. J., 1970. Karyotypea and evolution of the spinosus group of lizards in the genus Sceloporus. Am. Mus. Novit. 2431: 1–47.

    Google Scholar 

  • Cole, C. J., 1971. Karyotypes of the five monotypic groups of lizards in the genus Sceloporus. Am. Mus. Novit. 2450: 1–17.

    Google Scholar 

  • Cole, C. J., 1977. Chromosomal aberration and chromatid exchange in the North American fence lizard, Seeloporus undulatus (Reptilia: Iguanidae). Copela 1: 53–59.

    Google Scholar 

  • Cole, C. J., Lowe, C. H. & Wright, J. W., 1969. Sex chromosomes in telid whiptail lizards (gonus Cnemidephorus). Am. Mus. Novit. 2395: 1–14.

    Google Scholar 

  • Goodpasture, C. & Bloom, S. E., 1975. Visualization of nucleolar organizer regions in mammalian chromosomes using silver staining. Chromosoma 53: 37–50.

    Google Scholar 

  • Gorman, G. C., 1973. The chromosomes of the Reptilia, a cytotaxonomic interpretation. In: ‘Cytotaxonomy and vertebrate evolution’, edited by A. B.Chiarelli and E.Capanna. Academic Press, New York. pp. 349–424.

    Google Scholar 

  • Holmes, R. S., King, M. & King, D., 1976. Phenetic relationships among varanid lizards based upon comparative electrophoretic data and karyotypic analyses. Biochem. Syst. Ecol. 3: 257–262.

    Google Scholar 

  • King, M., 1977. The evolution of sex chromosomes in lizards. In: ’Evolution and reproduction’. Proc. 4th Int. Conf. Reproduction Evolution. pp. 55–60. Aust. Acad. Sci.

  • King, M., 1980. C-banding studies on Australian hylid frogs: secondary constriction structure and the concept of euchromatin transformation. Chromosoma 80: 191–217.

    Google Scholar 

  • King, M. & King, D., 1975. Chromosomal evolution in the lizard genus Varanus (Reptilia). Aust. J. Biol. Sci. 28: 89–108.

    Google Scholar 

  • King, M. & Rofe, R., 1976. Karyotypic variation in the Australian Gekko Phyllodactylus marmoratus (Gray) (Gekkonidae: Reptilia). Chromosoma 54: 75–87.

    Google Scholar 

  • Sites, J. W., Bickham, J. W., Haiduk, M. W. & Iverson, J. B., 1979. Banded karyotypes of six taxa of kinosternid turtles. Copeia 4: 692–698.

    Google Scholar 

  • Webster, T. P., Hall, W. P. & Williams, E. E., 1972. Fission in the evolution of a lizard karyotype. Science 177: 611–613.

    Google Scholar 

  • Wright, J. W., 1973. Evolution of the X1X2Y sex chromosome mechanism in the scincid lizard Scincella laterale (Say). Chromosoma 43: 101–108.

    Google Scholar 

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King, M., Mengden, G.A. & King, D. A pericentric-inversion polymorphism and s ZZ/ZW sex-chromosome system in Varanus acanthurus Boulenger analyzed by G- and C-banding and Ag staining. Genetica 58, 39–45 (1982). https://doi.org/10.1007/BF00056001

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  • DOI: https://doi.org/10.1007/BF00056001

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