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Position distribution patterns of nucleotide substitution in NDs and non-NDs.
| Position | NDs | Non-NDs | ||||
|---|---|---|---|---|---|---|
| Ts (%) | Tv (%) | Total (%) | Ts (%) | Tv (%) | Total (%) | |
| First | 26.97 | 16.75 | 43.72 | 29.79 | 12.24 | 42.03 |
| Second | 29.04 | 20.24 | 49.28 | 35.46 | 17.32 | 52.78 |
| Third | 0.67 | 6.34 | 7.01 | 0.47 | 4.72 | 5.19 |
| Total | 56.68 | 43.32 | 100 | 65.72 | 34.28 | 100 |
