Nucleolar organizer regions of the Indomalayan Pencil-tailed Tree Mouse Chiropodomys gliroides (Rodentia: Muridae)
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چکیده
The chromosome complement of Chiropodomys gliroides from Peninsular Malaysia consists of two pairs of nucleolar organizer regions (NORs) – the longest acrocentric pair and the small metacentric. The NORs in both pairs are located at the terminal end; in the long acrocentric at the end of the long arm. In the metaphases, at least one element in both pairs exhibited the presence of Ag-NOR activity. The karyotype differences between the Peninsular Malaysia and Thailand taxa of C. gliroides and the possible existence of cryptic species are highlighted.
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