The Following Mutation Occurred near the 5' End of the Coding

question 23

Multiple Choice

The following mutation occurred near the 5' end of the coding sequence.The sequence shown is the coding strand of the gene.It includes the start codon and the mutation.G A T T C A T G T T C G G A C T G G T G T A T
G A T T C A T G T T C G G A C T G T A T
What is the consequence of this mutation?

• A)The amino end of the encoded protein is normal, but the sequence between the site of the mutation and the C terminus is completely abnormal.
• B)A single amino acid is missing in the sequence.
• C)A single amino acid is replaced by another amino acid.
• D)This is a nonsense mutation that results in premature chain termination.
• E)Splicing of the transcript is abnormal.

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