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Original DNA & mRNA: DNA template: 3' - GGGTACGGCTCTAAA(300b)TACCCGATCGTA - 5' mRNA: 5' - CCCAUGCCGAGAUUU(300b)AUGGGCUAGCAU -...

Original DNA & mRNA:

DNA template: 3' - GGGTACGGCTCTAAA(300b)TACCCGATCGTA - 5'

mRNA: 5' - CCCAUGCCGAGAUUU(300b)AUGGGCUAGCAU - 3'

What effect would the following DNA mutation have on the polypeptide synthesized from the gene?

DNA template: 3' - GGGTTCGGCTCTAAA(300b)TACCCGATCGTA - 5'

mRNA: 5' - CCCAAGCCGAGAUUU(300b)AUGGGCUAGCAU - 3'

There will be no effect because the codon still calls for the same amino acid.

The polypeptide's synthesis will stop too soon because a stop codon has been introduced too early in the sequence.

A single amino acid would be changed because AUG and AAG call for different amino acids, but everything else will remain the same.

The first part of the polypeptide would be missing and the reading frame could be off because the normal start codon has been changed and is no longer a start codon.

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Original DNA & mRNA: DNA template: 3' - GGGTACGGCTCTAAA(300b)TACCCGATCGTA - 5' mRNA: 5' - CCCAUGCCGAGAUUU(300b)AUGGGCUAGCAU -...
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