Nucleic acids and protein synthesis Quiz (2) Biology AS & A Level

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…