A section of the polypeptide coding for the haemoglobin β-chain contains the following amino acids.
$-Pro-Glu-Glu-$
Patients with sickle cell anaemia have mutated $\beta $-polypeptide chains. The section of the mutated polypeptide contains the following amino acids.
$-Pro-Val-Glu-$
The table shows the possible anticodons for Val.
What is the corresponding DNA triplet code for the substituted amino acid in the mutated polypeptide?
1 )
G T T
2 )
G A C
3 )
C T C
C A T
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