It is caused by nonsynonymous missense mutation which alters the codon sequence to code other amino acid instead of the originals .
Amino acid replacement is a change from one amino acid to a different amino acid due to point mutation in DNA sequence .
Amino acid replacement is caused by nonsynonymous missense mutation which alters the codon sequence to code other amino acid instead of the originals .
Amino acid replacement is a change from one amino acid to a different amino acid due to point mutation in DNA sequence .