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(a) Localization of the probe (red signal) synthesized with DNA from two microdissected chromosome ends A-1 and C-23 of T. pubescens in polytene chromosomes of T. pubescens. The arrows point to the main hybridization signals. (b) Chromosomes stained with DAPI and (c) the corresponding merged signals. Image superimposition shows chromosome end labelling at A-1 and C-23. Bar = 15 µm.
