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Summary
DescriptionDrosophila polytene chromosomes 2.jpg
Phase-contrast image of Drosophila melanogaster polytene chromosomes. The end of the X-chromosome is marked with an arrow. Chromocentre is in the upper right corner. B shows a magnification of chromomere and interchromomere bands. Alternative b&w version from the same preparation: Image: Drosophila_polytene_chromosomes.jpg
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{{Information |Description=Phase-contrast image of ''Drosophila melanogaster'' polytene cromosomes. The end of the X-chromosome is marked with an arrow. Chromocentre is in the upper right corner. B shows a magnification of chromomere and interchromomere b