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  4. Identify the correct DNA triplet on the original DNA template that will code for the amino acid histidine based on the following table. Amino acid Anti-codon Ala CGU His GUA Ser UCA

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Q. Identify the correct DNA triplet on the original DNA template that will code for the amino acid histidine based on the following table.
Amino acid Anti-codon
Ala CGU
His GUA
Ser UCA

NTA AbhyasNTA Abhyas 2020Molecular Basis of Inheritance

Solution:

Anticodon is the triplet found on tRNA which is complimentary to mRNA and the mRNA is complimentary to the template DNA strand used in transcription. Thus the sequence of tRNA will be same as the template DNA only interchanging T and U.
So, tRNA anti-codon - GUA will have DNA triplet as GTA