16. Which of the following would not be considered a mutation?
(A) permanent replacement of guanine with thymine in a DAN strand
(B) deletion of gene segment
(C) insertion of an intron in the middle of an exon
(D) permanent replacement of cytosin with adenine
(E) crossing over of two gene regions during meiosis
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統計: 尚無統計資料
統計: 尚無統計資料