New taxa of the genus saxifraga from hengduan mountains .
横断山虎耳草属新分类群.
Our data suggest that these passive mechanisms , gene duplication and extinction , could represent an important source of genetic incompatibilities across all taxa .
研究数据表明，这种基因复制和消失的被动机制，可能是所有种群遗传不相容的一个重要因素。
To date , available molecular genetic data applied to primate systematics has been informative , but limited in scope and constrained to just specific subsets of taxa .
