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| Original base | Resulting base | |||
| A | C | G | T | |
| A | – | 53 (59.3) | 151 (201.4) | 73 (93.4) |
| χ2 | 0.67 | 12.6 | 4.44 | |
| P | 0.42 | 3.9×10−4 | 0.04 | |
| C | 53 (46.7) | – | 69 (57.7) | 338 (256.6) |
| χ2 | 0.84 | 2.21 | 25.8 | |
| P | 0.36 | 0.14 | 3.8×10−7 | |
| G | 252 (201.6) | 62 (73.3) | – | 242 (354.1) |
| χ2 | 12.6 | 1.74 | 35.5 | |
| P | 3.9×10−4 | 0.19 | 2.57×10−9 | |
| T | 122 (101.6) | 273 (354.4) | 497 (384.9) | – |
| χ2 | 4.08 | 18.7 | 32.6 | |
| P | 0.04 | 1.6×10−5 | 1.1×10−8 | |
