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Question : In sickle-cell anaemia Glutamic acid is replaced by Valine. Which one of the following are triplet codes for valine ?

Answer»

GGG
AAG
GAA
GUG

Solution :The substitution of AMINO acid inin the 6TH position of the ? chain of globin PROTEIN results due to the single base substitution at the sixth codon of the betaglobin gene from GAG (Glutamic acid) to GUG (Valine).


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