Genetic hitchhiking or genetic draft is the process by which an allele may increase in frequency by请问这里的by which是个什么用法,by指的是什么?
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Genetic hitchhiking or genetic draft is the process by which an allele may increase in frequency by请问这里的by which是个什么用法,by指的是什么?
Genetic hitchhiking or genetic draft is the process by which an allele may increase in frequency by
请问这里的by which是个什么用法,by指的是什么?
Genetic hitchhiking or genetic draft is the process by which an allele may increase in frequency by请问这里的by which是个什么用法,by指的是什么?
很高兴为您解答!
by which是定语从句修饰先行词the process ,by表示通过用什么工具,which相当于the process
by the process“通过这个程序”
希望可以帮到您,
by which 引导定语从句, 修饰先行词 process
by which=by the process 通过这个过程.
第二个by后面应为virtue of ,
by virtue of 凭借...的力量, 由于
allele 等位基因, in frequency 在频率上
句意:遗传搭车或遗传...
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by which 引导定语从句, 修饰先行词 process
by which=by the process 通过这个过程.
第二个by后面应为virtue of ,
by virtue of 凭借...的力量, 由于
allele 等位基因, in frequency 在频率上
句意:遗传搭车或遗传草图是等位基因频率可能增加的过程.
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by which 是定语从句的引导词，后面是定语从句。which指代process。
这句话可以分成两个简单句子：
Genetic hitchhiking or genetic draft is a process。
An allele may increase in frequency by the process.