| 遗传距离 | 上游(Shang) | 中游(Zhong) | 下游(Xia) |
| 上游 (Shang) | 0.0046 |
|
|
| 0.0013 |
|
| |
| 中游 (Zhong) | 0.0042 | 0.0050 |
|
| 0.0015 | 0.0020 |
| |
| 下游 (Xia) | 0.0041 | 0.0040 | 0.0056 |
| 0.0009 | 0.0012 | 0.0006 |