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  4. On translation, mRNA produces a polypeptide chain, which contains 50 amino acids. If 26th codon of mRNA UUU mutated and changed to UUC, then the polypeptide chain will be

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Q. On translation, mRNA produces a polypeptide chain, which contains 50 amino acids. If $26^{th}$ codon of mRNA UUU mutated and changed to UUC, then the polypeptide chain will be

NTA AbhyasNTA Abhyas 2022

Solution:

Codon UUU and UUC both codes for amino acid phenylalanine, hence polypeptide chain will not change.