Aneuploid proliferation defects in yeast are not driven by copy number changes of a few dosage-sensitive genes.

Abstract excerpt

Aneuploidy-the gain or loss of one or more whole chromosome-typically has an adverse impact on organismal fitness, manifest in conditions such as Down syndrome. A central question is whether aneuploid phenotypes are the consequence of copy number changes of a few especially harmful genes that may be present on the extra chromosome or are caused by copy number alterations of many genes that confer no observable...

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