The relationship of transition and transversion of base change in 4-fold degenerate sites of coding genes of 6 proteins, which showed 70% homology in wmposition investigated.

• 摘要 以同源性在70%25以上的6组同源蛋白为材料,从系统发生的角度研究发生在四倍简并位点上的转换和颠换的关系。