From: The Global Structure of Chromosomes
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
Alberts B, Bray D, Lewis J, et al. Molecular Biology of the Cell. 3rd edition. New York: Garland Science; 1994.
Molecular Biology of the Cell. 3rd edition.
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Figure 8-23Chromosome puffs
A temporal series of photographs illustrating how puffs arise and recede in the polytene chromosomes of Drosophila melanogaster during larval development. A region of the left arm of chromosome 3 is shown. It exhibits five very large puffs in salivary gland cells, each active for only a short developmental period. The series of changes shown occur over a period of 22 hours, appearing in a reproducible pattern as the organism develops. (Courtesy of Michael Ashburner.)
- Figure 8-23, Chromosome puffs - Molecular Biology of the CellFigure 8-23, Chromosome puffs - Molecular Biology of the Cell
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