polytene chromosome(redirected from Puff (chromosomal))
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a stage of chromosome division that forms the giant chromosome found in the salivary gland of dipterous insects; the great width is the result of repeated divisions of the chromonema without subsequent lengthwise separation of the filaments.
Synonym(s): giant chromosome (1)
Farlex Partner Medical Dictionary © Farlex 2012
polytene chromosomesee SALIVARY GLAND CHROMOSOME.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005