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. 1977 Mar 16;60(2):179-86.
doi: 10.1007/BF00288464.

Scanning electron microscopy of isolated Chironomus polytene chromosomes

T Brady, J F Bailey, M B Payne

Scanning electron microscopy of isolated Chironomus polytene chromosomes

T Brady et al. Chromosoma. .

Abstract

Individual polytene chromosomes have been isolated from Chironomus stigmaterus for scanning electron microscope observations. The three dimensional ultrastructure of these chromosomes consists of a series of chromatin strands extended in the interbands and more tightly coiled or folded in the banded regions. The nucleolus is observed to be a dense disc or doughnut shaped structure surrounding the chromosome while the Balbiani Rings appear as diffuse regions consisting of both fibrillar and granular elements.

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