mutation

剑桥词典

[ 不可数或单数名词：没有复数形式的名词 ]
the way in which genes change and produce permanent differences
（基因的）变异，突变
It is well known that radiation can cause mutation. 众所周知，辐射可能造成基因突变。
[ 可数名词：有复数形式的名词 ]
a permanent change in an organism , or the changed organism itself
（生物体的）变异，突变；突变生物体
Environmental pressures encourage genes with certain mutations to persist and others to die out. 环境的影响使发生了某些突变的基因存活下来，另一些则消亡了。
These plants carry the mutation for red flowers . 这些植物携带红花变种。 返回 mutation