The results show that the types of DNA base mutation included the transition, the transversion and the deletion.

结果显示：碱基变异的类型包括转换、颠换和缺失。

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"In a nutshell, the idea is to design drugs that speed up the mutation rates of viruses and push them beyond a threshold called a" phase transition.

简而言之，该想法就是设计可以加速病毒突变率并使之超出所谓的“相变”阈值的药物。

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The main contribution of gene duplication is providing materials for mutation, transition and selection, and furthermore, a probability for genetic evolution.

基因重复的最主要贡献是在进化过程中为基因突变和正向选择提供遗传材料，为基因的进化提供可能性。

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