acentric chromosome


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to acentric chromosome: acrocentric chromosome, telocentric chromosome

a·cen·tric chro·mo·some

a fragment of a chromosome lacking a centromere and unable to attach to the mitotic spindle; therefore unable to take part in the division of a nucleus and randomly distributed in daughter cells.
Synonym(s): acentric fragment
Farlex Partner Medical Dictionary © Farlex 2012

Acentric Chromosome

A chromosome lacking a centromere, a structure which is essential for cell division and retention of the chromosome in the cell.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

acentric chromosome

A chromosome lacking a centromere, which is essential for division and retention of the chromosome in the cell
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

acentric chromosome

a chromosome formed by the joining of two broken pieces of chromosomes that lack CENTROMERES; the acentric chromosome is lost at the next division. Compare METACENTRIC CHROMOSOME.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
PCR primer-binding sites were shown on acentric chromosome and normal chromosome 21.
These dicentric and acentric chromosomes are unstable during mitosis and would be lost from the daughter cells because of missegregation.