The number of base substitution possible in ammino acid codon is

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Solution

549
There are 61 amino-acid-specifying codons. Since each of the three base pairs can mutate in any of three ways, each codon can mutate in any of nine ways by single substitutions. Of the 549 possible single-base substitutions, 134 (one fourth) are substitutions to synonymous codons

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The number of base substitution possible in ammino acid codon is

549 There are 61 amino-acid-specifying codons. Since each of the three base pairs can mutate in any of three ways, each codon can mutate in any of nine ways by single substitutions. Of the 549 possible single-base substitutions, 134 (one fourth) are substitutions to synonymous codons

549
There are 61 amino-acid-specifying codons. Since each of the three base pairs can mutate in any of three ways, each codon can mutate in any of nine ways by single substitutions. Of the 549 possible single-base substitutions, 134 (one fourth) are substitutions to synonymous codons