Table 4.
Chromosome numbers of colonies of Chinese hamster cells transformed spontaneously (K) and with colcemid (C) in vitro
| Cell type | Metaphases, n | Number of chromosomes per cell | Frequency, %
|
||
|---|---|---|---|---|---|
| <22 | 22, n22 | >22 | |||
| K2 | 13 | 16, 18, 20, 20, 20, 22, 22, 22, 22, 22, 23, 40, 44 | 38 | 38 | 23 |
| K3 | 12 | 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 33 | 33 | 58 | 8 |
| K6 | 15 | 12, 14, 14, 19, 19, 19, 20, 20, 20, 22, 23, 24, 24, 24, 24 | 60 | 7 | 33 |
| K7 | 13 | 12, 16, 18, 20, 21, 21, 21, 22, 22, 23, 23, 23, 24 | 54 | 15 | 31 |
| C1 | 11 | 13, 16, 21, 22, 22, 22, 22, 22, 23, 34, 42 | 27 | 46 | 27 |
| C3 | 24 | 14, 22, 22, 22, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 40, 40, 42, 44, 65 | 4 | 17 | 79 |