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Serggg [28]
3 years ago
13

What is a change in a DNA sequence called

Biology
1 answer:
Shkiper50 [21]3 years ago
6 0
Mutation. this happens when a cell copies its DNA to divide. its more common than you may think, a "typo" occurs every 100, 000 or so nucleotides, thats about 120, 000 "typos" every time a cell divides. 
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A normal polypeptide includes the following sequence of amino acids(Note:Each amino acid is named by a three-letter abbreviation
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C

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The mutation seen is most likely due to a frameshift mutation. A nucleotide was added or removed without replacement. This shifted the codon reading sequence by one nucleotide. Therefore the codon downstream of the mutation will code for different amino acids.  

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