最近,人们在突变积累实验(MA)中测定有害基因突变(DGM)的兴趣大增。
There is a recent upsurge of interest in characterizing deleterious genomic mutations (DGM) by mutation accumulation (MA) experiments.
准种的演变不仅是机体阳性选择压力的结果,也有阴性选择的参与,即随机突变积累的结果。
The evolvement of quasispecies is not only the result of positive immune pressure in the host, but also the accumulation of random mutation.
他们推断,沉默基因积累随机突变,最终使它们变得无用。
Silent genes accumulate random mutations, they reasoned, eventually rendering them useless.
The genome starts piling on mutations that mean nothing; that's how they date the branches of the genome, by looking at the number of neutral mutations.
基因积累了许多无意义的突变,这就是他们如何鉴定基因分支的年代,看中性突变的数量就行了
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