dicentric


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di·cen·tric

(dī-sen'trik),
Referring to a structural chromosome having two centromeres, an abnormal state.

di·cen·tric

(dī-sen'trik)
Having two centromeres, an abnormal state.

dicentric

a chromosome with two CENTROMERES.
References in periodicals archive ?
In order to correlate the dose delivered and dicentric frequency, Pearson's correlation was determined at the 5% or P [less than or equal to] 0.05 level of significance.
Dicentric frequencies in PBL show a clear linear quadratic dose-effect relationship up to 5 Gy for acute photon exposures.
Among detected structural aberrations the highest presence of gaps, breaks and marker chromosomes was documented, The ring chromosomes and the chromosome fragmentation were present within the C1 only; while dicentric chromosomes were detected in C1 and C2.
The following CSAs were observed: 45.1% acentric fragments, 18.3% dicentrics, 2.1% chromosome-type breaks and 2.1% chromosome minute fragments.
AF: acentric fragment; MA: multiple aberrations; b: chromatid break; g: chromatid gap; R: ring; D: dicentric; B: chromosome break; G: chromosome gap.
A girl with duplication 17p10-p12 associated with a dicentric chromosome.
It was demonstrated that the iso-B of Metaleptea brevicornis is dicentric and its anomalous meiotic behavior induces the production of very high frequencies of abnormal sperm (Grieco & Bidau 2000).
It has been known for many years that radiation exposure could cause single or double strand breaks in the chromosomes, leading to dicentric chromosomes, translocations and more complex rearrangements (10), (11).