| acentric | <cell biology> This term refers to a chromosome or chromatid that lacks a centromere. This condition can result during crossing over in which the normal, centromere-containing segement is replaced by an inverted segment that lacks a centromere. (12 Mar 1998) |
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| acentric chromosome | 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: acentric fragment. (05 Mar 2000) |
| acentric fragment | 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: acentric fragment. (05 Mar 2000) |