Conclusions the C677T mutant frequency of MTHFR might be correlated only with cerebral infarction but not with the frequency of onset of cerebral infarction.
结论MTHFR基因C677T突变可能与脑梗死的发病有关，但与脑梗死发病的次数无关。
The results approved for the first time that we can obtained various Lotus Japonicus mutants through space flight mutation, and mutant frequency was higher, most of the mutations could stable inherit.
研究结果首次证实了百脉根通过航天诱变处理可以得到多种类型的突变体，并且变异频率高、突变可稳定遗传。
These immunogens should elicit immune responses against high frequency viral strains as well as against most mutant forms of the virus.
这些免疫原应该能够引发常见病毒株，以及大部分病毒突变形式造成的免疫反应。
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