Karyological characterization of a new population of Akodon lindberghi (Rodentia, Sigmodontinae) in Minas Gerais State (Brazil)

L. GeiseDepartament of Genetics, Instituto de Biologia, Universidade Federal do Rio de Janeiro

R. Cerqueira -Departament of Ecology, Instituto de Biologia, Universidade Federal do Rio de Janeiro

H.N. SeuánezDepartament of Genetics, Instituto de Biologia, Universidade Federal do Rio de Janeiro; -Genetics Section, Instituto Nacional de Câncer, Rio de Janeiro, RJ, Brazil.

SUMMARY

The G-band karyotype of Akodon lindberghi (2n = 42, FN = 42) has been described in eight wild caught specimens captured outside its type locality, C-banding showed distinct heterochromatic regions at the centromere of all chromosomes. Ag-NOR staining showed a maximum of 12 NORs per cell per individual with a mean number of 1.4 per metaphase.

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Karyological characterization of a new population of Akodon lindberghi (Rodentia, Sigmodontinae) in Minas Gerais State (Brazil)

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Karyological characterization of a new population of Akodon lindberghi (Rodentia, Sigmodontinae) in Minas Gerais State (Brazil)

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