| 词汇 | back-mutation |
| 释义 | back mutation noun[ C or U ] biology specializeduk /ˈbæk mjuːˌteɪ.ʃən/ us /ˈbæk mjuːˌteɪ.ʃən/ 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: 回复突变 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. A few earlier specimens of the fish had a wider dorsal fin, but this variance was thought to have been eliminated by back mutation. Genetics accession number adenine anaphase autosomal autosomally genetic fingerprinting genetically engineered geneticist genic genomic genomics genotypic monozygotic mutate non-familial non-genetic non-mutant nondominant nonhomologous sex-linked |
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