The final coding sequence, GGGC, is the same as the original in all sequences shown. The initial coding sequence differs from ATTTGC in sequences
1 and 5
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Changes in the red non-coding sequences are also seen in sequences 1, 2, and 4. While these changes may not lead to a faulty protein, they may alter the way it is expressed or the effect it has. (Your question does not seem to be concerned with these changes.)
