telocentric chromosome
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tel·o·cen·tric chro·mo·some
a chromosome with a terminal centromere; such chromosomes in humans are unstable and arise by misdivision or breakage near the centromere and are usually eliminated within a few cell divisions.
Farlex Partner Medical Dictionary © Farlex 2012
telocentric chromosome
a chromosome in which the CENTROMERE is terminal (situated at one end), so that there is effectively only one arm.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005