mutation

劍橋詞典

[ 不可數(shù)或單數(shù)名詞：沒有復(fù)數(shù)形式的名詞 ]
the way in which genes change and produce permanent differences
（基因的）變異，突變
It is well known that radiation can cause mutation. 眾所周知，輻射可能造成基因突變。
[ 可數(shù)名詞：有復(fù)數(shù)形式的名詞 ]
a permanent change in an organism , or the changed organism itself
（生物體的）變異，突變；突變生物體
Environmental pressures encourage genes with certain mutations to persist and others to die out. 環(huán)境的影響使發(fā)生了某些突變的基因存活下來，另一些則消亡了。
These plants carry the mutation for red flowers . 這些植物攜帶紅花變種。 返回 mutation