chromosome loss

chromosome loss

[¦krō·mə‚sōm ′lȯs]
(cell and molecular biology)
Failure of a chromosome to become incorporated into a daughter nucleus at cell division.
References in periodicals archive ?
Lars Forsberg, who also worked on the study, said this suggested Y chromosome loss due to smoking might be reversible
In June, Forsberg's team reported linking Y chromosome loss to a higher risk of several types of cancer and a decreased life span in a smaller group of men.
Many more aneuploids and chromosome fragments were found in the hybrids than those in the control pure species crosses, indicating genome instability and chromosome loss in the hybrids.
Subsequently non-disjunction and chromosome loss (single or more), in these cells may lead to aneuploidy and mosaicism in cleavage and blastocyst stage embryos.
The second "bit" is the elimination of the wild-type allele through nondisjunction, deletion, recombination, and/or chromosome loss and duplication This results in the primary mutation.
Kinetochore detection in micronuclei: an alternative method for measuring chromosome loss.
5 now provides access to Agilent's catalog array comparative genomic hybridization (aCGH) probes, useful for designing microarray experiments to detect chromosome loss or duplication in cancer studies.
This initial screen revealed that many stress conditions, including oxidative stress, increased the rate of chromosome loss ten to 20-fold, a rate typically observed when cells are treated with benomyl, a microtubule inhibitor that directly affects chromosome segregation.
The ability to tolerate significant chromosome loss is typical of duplicated genomes.
3%) had maternal X, indicating that paternal sex chromosome loss is the most common error leading to this condition (6).
Telomeres are important for maintaining chromosome structure by protecting the chromosomes from DNA degradation, end-to-end fusions, rearrangements, and chromosome loss.
As cancerous cells multiply, they undergo increasingly dramatic chromosomal changes, including chromosome loss, duplication, and the translocation of DNA from one chromosome to another.

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