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词汇 back mutation
释义
back mutation
noun [ C or U ] biology specialized /ˈbæk mjuːˌteɪ.ʃən/ /ˈbæk mjuːˌteɪ.ʃən/
回复突变
a kind of mutation (= change in the genes of someone or something) in which a gene changes back to how it was before the mutation happened
Back mutations in the mapped genome of the early hominid were indicated by an arrow pointing to the left. 左箭头指向早期类人猿基因组图谱中的回复突变。
Back mutations are considered as factors when calculating DNA genealogy.
    更多例句
  • A few earlier specimens of the fish had a wider dorsal fin, but this variance was thought to have been eliminated by back mutation.
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