| 释义 |
mu.ta.tionmjU:5teI7F[nnMutation is the way in which GENES change and produce permanent differences.突变It is well-known that radiation can cause mutation. [U]众所周知，辐射能导致突变。A mutation is a permanent change in an organism, or the changed organism itself.突变，突变体Environmental pressures encourage genes with certain mutations to persist and others to die out. [C]环境的影响使突变的基因存留而其它的消亡。Some people with red-cell mutations such as thalassaemia and sickle cell anaemia inherit an immunity to malaria. [C]有些红细胞突变的人，如地中海式贫血病人和镰状红细胞贫血病人遗传对疟疾的免疫。As for the pink form of the plant, the original mutation was found in England and its cuttings have spread across the world. [C]至于这种植物的粉红品种，最早的突变体在英国被发现，现在它的插枝已遍布全世界。
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