Non-coding mutation


The following is a eukaryotic DNA sequence. The coding sequence of the gene is in bold and italicized, and the promoter is underlined.

DNA 5’   T G*A A G G A A T T A T A A T A C G A C C ... A T G A T G T A C G C A T A A A C G T   3’

A mutation occurs in which a base (T) is inserted into the DNA sequence after the G, at the position marked with an asterisk, before transcription begins. How will this alteration influence the mRNA produced?

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