Sakaue-Sawano A, Kobayashi T, Ohtawa K, Miyawaki A.

BMC Cell Biol. 2011 Jan 13;12:2. doi: 10.1186/1471-2121-12-2

Drug-induced cell cycle modulation leading to cell-cycle arrest, nuclear mis-segregation, or endoreplication.

Heterogeneity could be caused by asymmetric division.