An isochromosome is a chromosome that has lost one of its arms and replaced it with an exact copy of the other arm. This is sometimes seen in some females with Turner syndrome or in tumor cells. This may also cause an isochromosome to have two centromeres. 20% of Turner`s syndrome results from having 1 normal X and another X which is an isochromo....
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http://en.wikipedia.org/wiki/Isochromosome
An abnormal chromosome with two identical arms due to duplication of one arm and loss of the other arm. (found in some girls with turner syndrome and in tumours.) ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
(i″so-kro´mә-sōm) an abnormal chromosome having a median centromere and two identical arms, formed by transverse, rather than normal longitudinal, splitting of a replicating chromosome.
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http://www.encyclo.co.uk/local/21001
A metacentric chromosome produced during mitosis or meiosis when the centromere splits transversely
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http://www.encyclo.co.uk/local/22391
Type: Term Pronunciation: ī′sō-krō′mō-sōm Definitions: 1. A chromosomal aberration that arises as a result of transverse rather than longitudinal division of the centromere during meiosis; two daughter chromosomes are formed, each lacking one chromosome arm but with the other doubled.
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http://www.medilexicon.com/medicaldictionary.php?t=45849
Isochromosome: An abnormal chromosome with two identical arms due to duplication of one arm and loss of the other arm. Isochromosomes are found in some girls with Turner syndrome, patients with the Pallister-Killian syndrome, and some tumors.
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http://www.medterms.com/script/main/art.asp?articlekey=4055
isochromosome An abnormal chromosome with two identical arms due to duplication of one arm and loss of the other arm. Isochromosomes are found in some girls with Turner syndrome (chromosome disorder in females that is characterized by the absence of all or part of a second sex chromosome in some or all cells), patients with the Pallister-Killian sy...
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http://www.wordinfo.info/words/index/info/view_unit/2795/2
No exact match found.
