• 2022-06-07
    给定一个完整ORF的DNA序列,如下哪两个突变会导致ORF破坏? ATG GGC CTG TCG ACC CTC GAG CGG GAG CGA CTG TGA
    A: ATG GGC CTG TCG ACC CTC G-- CGG GAG CGA CTG TGA
    B: ATG GGC CTG TAG ACC CTC GAG CGG GAG CGA CTG TGA
    C: ATG GGC CTG TCG ACC CTC GA- --G GAG CGA CTG TGA
    D: ATG GGC CTG TCG ACC CTC GAG CGG CAG CGA CTG TGA