A sequence of DNA nucleotides can be translated into a sequence of amino acids u

Question

A sequence of DNA nucleotides can be translated into a sequence of amino acids using a codon table. Use the table to translate the sequence here then answer the question. What single mutation must be made to the final codon in order to read as a stop? to T-C-T-G-G-T-C-A-T-C-A – A Phe Thr Lys Arg Second Position His Cys Stop Asp | Pnom Lyo ano | His Cys Stop ala nova ayan ser Lou Timau Phe Phe Leu Leu EEEEEE G TGT Cys TGC Cys TGA Stop TGG Trp CGT Arg Ala lle Val Met Za Baias 3 333 $ CGC Arg Arg Gly Gln First Position Ser Pro CGA C Third Position Gln TCT Ser TAT Tyr TCC Ser TAC Tyr TAA Stop TAG Stop His CAC His CAA Gin CAG AAT Asn ACC Thr Asn ACA Thr AAA ACG Thr AAG GCT Ala Asp GCC Ala GAC Asp GCA Ala GAA Glu GCG Ala GAGGlu AGT Arg Ser Leu Tyr Trp Leu Leu CTG Leu ATT ile ATC lle lle ATG Met GTI Val GTC Val GTA Val GTG val Glu ATA AGA Lys Lys GAT AGC Ser Arg AGG Arg GGT Gly GGCGly GGA Gly GGGGly

Explanation / Answer

UAA is a stop codon. Thus for single mutation to take place CAA must be converted to UAA.

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