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Free Content Chromosomal Polymorphism of Rattus rattus (Linnaeus, 1758) (Rodentia: Muridae) in Central Anatolia

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Abstract:

In this study, conventionally stained, C- and Ag-NOR banded karyotypes of Rattus rattus from Central Anatolia are presented. The karyotype of the specimens from Ankara and Çankırı provinces consist of 2n=38, NF=60 and NFa=58 while the karyotype of Kırıkkale specimens consist of 2n=38 and NFa=59 due to a heteromorphic autosome pair. The X is a large to medium sized acrocentric and the Y chromosome is a small acrocentric in all examined specimens. Constitutive heterochromatin is located in the centromeric regions of all pairs of autosomes and the X chromosome. Nucleolar organizer regions (NORs) are located only in 3 autosome pairs.

Keywords: AG-NOR BANDING; C-BANDING; CENTRAL ANATOLIA; KARYOTYPE; ROOF RAT

Document Type: Research Article

DOI: http://dx.doi.org/10.3409/fb59_1-2.31-34

Publication date: January 1, 2011

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  • Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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