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Effect of Introduction of Chromosome 4/4 Fragments into HeLa.
| MMCT Hybrid Clones | ||||
| Mortal | Immortal | |||
| HeLa-4 | 78 | 44% | 100 | 56% |
| HeLa-4i24 | 15 | 44% | 19 | 56% |
| HeLa-4i32 | 5 | 29% | 12 | 71% |
| HeLa-4i33 | 1 | 33% | 2 | 66% |
Proportions of clones exhibiting mortal or immortal phenotypes following the introduction of chromosome 4 or three different chromosome 4 fragments into HeLa cells.
