polytene chromosome

(redirected from Puff (chromosomal))
Also found in: Encyclopedia.

pol·y·tene chro·mo·some

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 chromosome

see SALIVARY GLAND CHROMOSOME.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005