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Standard karyotype and chromosomal evolution of the fallow deer (Dama dama L.).

By RUBINI M, NEGRI E and F. FONTANA

Abstract

G-banding, C-banding and silver staining techniques were used to study the chromosomes of the fallow deer Dama dama (2n = 68, NF = 70). On the basis of G-banded metaphases a diagrammatic representation of banding patterns at the 350 band level is proposed. C-banding reveals constitutive heterochromatin in the centromeric regions of all the acrocentric chromosomes. Faint C-banding is present in the centromere of the Y chromosome, while the single pair of metacentrics are C-band negative. The nucleolus organizer regions (NORs) are terminally located near the satellites of the two largest pairs of autosomes. As revealed by a comparison between the G-banded karyotype of the fallow deer and the roe deer (Capreolus capreolus), there is a remarkable homology of most autosomes. The metacentric pair in the fallow deer retain the same band patterns of the two acrocentric pairs in the roe deer, while the X chromosomes of the roe deer differ by a pericentric inversion

Topics: Karyotype, chromosomal evolution, dama dama
Publisher: Faculty Press:88 Regent Street, Cambridge CB2 1DP United Kingdom:Fax: 011 44 1553 840695
Year: 1990
OAI identifier: oai:iris.unife.it:11392/461425
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