mutation [mju:'teɪ.ʃən] noun uncountable ■the way in which genes change and produce permanent differences (基因的)突变,变异•It is well known that radiation can cause mutation.众所周知,辐射可以造成基因突变。 countable ■a permanent change in an organism, or the changed organism itself (生物体的)突变,变异;突变生物体•Environmental pressures encourage genes with certain mutations to persist and others to die out.环境的影响使某些发生了若干突变的基因存活下来,却使另一些消亡了。 •These plants carry the mutation for red flowers.这些植物携带红花变种。 |