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 ?
Further, it has recently been shown that the homologous chromosome arms of Hordeum marinum Hudson carrying rDNA segments have a lower chiasma frequency than all other chromosome arms (I.
An additional tumor suppressor pathway that can be altered in pancreatic cancers involves STK11/LKB1 on chromosome arm 19p.
Comparisons were performed considering all possible combinations, and one pair was considered similar between two abalone species if both chromosome arms did not show a significant difference.
hannai chromosomes and interphase nuclei without displaying any signal at the interstitial sites of chromosome arms (Fig.
penicillatus share chromosome arms 1-13 and 15, more than either shares with the other two taxa.
The findings also demonstrate the ability to effectively construct complete high density physical maps of human chromosome arms and have detected structural variations between human individuals.
Chromosome number is then reduced and karyotype symmetry increased without a change in the number of major chromosome arms (= nombre fondamantal or NF).
AMT chromosomes, according to Imai (1991), arise from a relatively fast growth of heterochromatin on the smaller chromosome arms after a centric fission.

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