"Chromosome instability" refers to a condition where the structure or number of chromosomes in a cell become irregular or unstable. This can lead to genetic mutations or errors, which may cause various health issues or diseases. Full definition
«During cell division, alterations in microtubule formation may bring about chromosome instability and aneuploidy. (sciencedaily.com)
Kondo, Y.; Shen, L.; Ahmed, S.; Boumber, Y.; Sekido, Y.; Haddad, B. R.; Issa, J. P. Downregulation of histone H3 lysine 9 methyltransferase G9a induces centrosome disruption and chromosome instability in cancer cells. (thesgc.org)
As the authors also observed in previous works, some aphids showed different chromosome numbers also comparing cells belonging to a same individual «forgetting» that chromosome instability within individuals should be typical of malignant cells and not of healthy insects showing a high reproductive rate. (sciencedaily.com)