词源 |
polyploidy n."condition of having more than two homologous sets of chromosomes," 1922, from German polyploidie (1910), from polyploid, from Greek polys "much, many" (from PIE root *pele- (1) "to fill") + -ploid, from -ploos "fold" (from PIE root *pel- (2) "to fold"). updated on August 19, 2020 |