Comparison of G-, Q- and EM-banding Patterns Exhibited by the Chromosome Complement of the Indian Muntjac, Muntiacus Muntjak, with Reference to Nuclear DNA Content and Chromatin Ultrastructure

Overview

Journal Chromosoma

Specialty Molecular Biology

Date 1975 Jan 1

PMID 48452

Citations 9

Authors

R J Green

G F BAHR

Affiliations

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Abstract

When the chromosomes of the Indian muntjac, Muntiacus muntjak, were compared following treatment with two presently used banding methods, trypsin-Giemsa (G) and quinacrine-hydrochloride (Q) with structural bands as seen in the electron microscope, definite correlations were observed with respect to the numbers and positions of individual bands. - Weights obtained for the individual chromosomes were: No. 1, 9.98 pg; No. 2, 4.10 pg; No. 3, 4.43 pg; No. 3-X, 5.05 pg; and Y, 0.55 pg. Average diameters and weights for individual fibers were 193 A and 8.74 times 10-16 g/micron, respectively, for stimulated metaphase chromosomes and 185 A and 8.73 times 10-16 g/micron, respectively, for unstimulated chromosomes. Fibers of interphase nuclei exhibited an average diameter of 191 A and a weight of 5.87 times 10-16 g/micron. - The total amound of nuclear DNA present in interphase nuclei was 3.88 pg.

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