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Abstract:

Cytogenetic analysis was performed on twenty seven specimens of Akodon simulator simulator collected in three different localities of Tucumán Province, Argentina. Diploid number, chromosomal morphology and C and G banding patterns were studied. Eight different karyomorphs were found, with diploid numbers of 2n=38, 39, 40, 41, and 42. All individuals showed the same number of chromosomal arms (FN=42). G-bands enable to identify chromosomal pairs (1, 10, 11, 12, 13, and 14) involved in three centric fusions. C-bands revealed that the heterochromatin is located in centromeric regions of the telocentric and biarmed chromosomes. The present study allowed us to document a new example of a floating multiple Robertsonian fusion polymorphism. The data are discussed in relation to the occurrence of Robertsonian polymorphism in natural populations. © 1990 Kluwer Academic Publishers.

Registro:

Documento: Artículo
Título:Multiple autosomal polymorphism in populations of Akodon simulator simulator Thomas, 1916 from Tucumán, Argentina (Rodentia, Cricetidae)
Autor:Liascovich, R.C.; Bárquez, R.M.; Reig, O.A.
Filiación:GIBE, Dpto. de Ciencias Biológicas, FCEyN, Universidad de Buenos Aires, Pabellón 2, 4to. piso, Ciudad Universitaria, Nuñez, 1428, Buenos Aires, Argentina
Instituto Miguel Lillo, Universidad Nacional de Tucumán, Miguel Lillo 205, Tucumán, 4000, Argentina
Año:1990
Volumen:82
Número:3
Página de inicio:165
Página de fin:175
DOI: http://dx.doi.org/10.1007/BF00056359
Título revista:Genetica
Título revista abreviado:Genetica
ISSN:00166707
CODEN:GENEA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00166707_v82_n3_p165_Liascovich

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Citas:

---------- APA ----------
Liascovich, R.C., Bárquez, R.M. & Reig, O.A. (1990) . Multiple autosomal polymorphism in populations of Akodon simulator simulator Thomas, 1916 from Tucumán, Argentina (Rodentia, Cricetidae). Genetica, 82(3), 165-175.
http://dx.doi.org/10.1007/BF00056359
---------- CHICAGO ----------
Liascovich, R.C., Bárquez, R.M., Reig, O.A. "Multiple autosomal polymorphism in populations of Akodon simulator simulator Thomas, 1916 from Tucumán, Argentina (Rodentia, Cricetidae)" . Genetica 82, no. 3 (1990) : 165-175.
http://dx.doi.org/10.1007/BF00056359
---------- MLA ----------
Liascovich, R.C., Bárquez, R.M., Reig, O.A. "Multiple autosomal polymorphism in populations of Akodon simulator simulator Thomas, 1916 from Tucumán, Argentina (Rodentia, Cricetidae)" . Genetica, vol. 82, no. 3, 1990, pp. 165-175.
http://dx.doi.org/10.1007/BF00056359
---------- VANCOUVER ----------
Liascovich, R.C., Bárquez, R.M., Reig, O.A. Multiple autosomal polymorphism in populations of Akodon simulator simulator Thomas, 1916 from Tucumán, Argentina (Rodentia, Cricetidae). Genetica. 1990;82(3):165-175.
http://dx.doi.org/10.1007/BF00056359