chromosome arm


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chromosome arm

[′krō·mə‚sōm ′ärm]
(cell and molecular biology)
One of the two main segments of the chromosome that are separated by the centromere.
References in periodicals archive ?
We observed a close correlation between plasma-Seq and mFAST-SeqS if the entire chromosome arm was lost or gained, as exemplified by the loss of the short arm of chromosome 3 in HT29 (Fig.
2] hybrids, the deviation of the heterozygous dominance effect for a CS-B line and a cultivar from the heterozygous dominance for TM-1 line and the same cultivar can be considered as due to the allelic interactions between the substituted chromosome or the chromosome arm from 3-79 in the CS-B line and the homologous chromosome or arm in the respective cultivar.
formation of a chiasma involving one ann of a chromosome has no influence on the probability of chiasma formation involving the other arm; 2) pairing of one arm with another precludes involvement of a third; 3) the frequency (c) with which two chromosome arms pair is the same for all arms - i.
This chromosome arm probably contributes to the courtship dysfunction observed in [F.
7,17-20) CDKN2A/p16 on chromosome arm 9p is inactivated in more than 95% of pancreatic cancers by several different mechanisms, such as homozygous deletion of both alleles of the gene; intragenic mutation in 1 allele, coupled with loss of the other allele; or promoter hypermethylation.
Dn5 was located on chromosome arm 7DL by telosomic analysis (Du Toit et al.
Fine mapping of a region of common deletion on chromosome arm 10p in human glioma.
Data for each chromosome arm were also tested for Hardy-Weinberg equilibrium.
The higher resolution NimbleGen CGH array revealed interstitial deletions within the chromosome 12 p-arm in 4 samples, and single breakpoints with deletion of the remainder of the chromosome arm in 5 samples.
Multiple chromosomal imbalances were detected, including losses for chromosome arms 1p, 14q, and 22q and overrepresentation on chromosome arm 5p.
5, 9, 11, 17), and the total chromosome arm number (NF) was 76.

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