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Organization of DNA in Dipteran Polytene Chromosomes as Indicated by Polarized Fluorescence Microscopy
James W. MacInnes and Robert B. Uretz
New Series, Vol. 151, No. 3711 (Feb. 11, 1966), pp. 689-691
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1717549
Page Count: 3
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Analysis of the polarization of fluorescence from Drosophila virilis polytene chromosomes stained with acridine orange suggests that the DNA in the interband regions of these chromosomes cannot be in a supercoiled configuration, but must lie parallel to the chromosome axis.
Science © 1966 American Association for the Advancement of Science