BI-337
Mutations
Biology · Secondary 3 · Medium · Mutations
A mutation changes one base in a gene so that the mRNA codon GAA becomes GUA.
Originally, GAA coded for glutamic acid. GUA codes for valine.
How will this mutation affect the polypeptide produced?
Originally, GAA coded for glutamic acid. GUA codes for valine.
How will this mutation affect the polypeptide produced?
- One amino acid in the polypeptide is changed from glutamic acid to valine.
- All amino acids after this point are deleted from the polypeptide.
- The length of the polypeptide doubles.
- The polypeptide is unchanged because the code is degenerate.
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