mutation [mjuˈteʃən]

例句:

• Nature has changed through mutation "slow" life.
  来自SA
• Supposedly evolution occurs by natural selection after random mutation.
  来自SA
• cells affected by mutation
  受到突变影响的细胞
  
• Scientists have found a genetic mutation that appears to be the cause of Huntington's disease.
  科学家们已经发现了一种可能是引起亨廷顿舞蹈病的基因变异。
  
• This mutation makes it better adapted than the other four.
  这种变异使它具有比其他四只猪为大的适应能力.
  
• More convincing yet are radiation mutation studies on rhodents.
  来自SA