endopolyploidy
/ˌɛndoʊˈpɑlɪplɔɪdi/
noun
- A condition in which cells contain more than two sets of chromosomes, caused by repeated DNA replication without cell division.
- The liver cells of mammals often show endopolyploidy as they age.
- Scientists study endopolyploidy to understand how some organisms regenerate tissues.
- Endopolyploidy is common in many plants and insects, allowing cells to grow larger.