Table 2.

Characterization of parental DLD-1 and RPE-1 cells and derived tetraploid clones.

Characteristic	DLD-1	S1	S2	L1	L2	RPE-1 (2N)	RPE-1 (4N)
Modal Chromosome No.	46	91	92	88	91	46	88
Nuclear Volume* (μm3)	847 ± 39	1,156 ± 41	1,170 ± 60	1,656 ± 107	1,648 ± 117	649 ± 27	1,465 ± 47
Cell Volume* (μm3)	1,787 ± 80	2,288 ± 97	2,345 ± 123	3,326 ± 233	3,541 ± 244	2,403 ± 95	5,731 ± 270
N/C Ratio	0.48	0.51	0.50	0.51	0.47	0.27	0.27

^*Nuclear and cell volumes are reported as mean ± SEM.