To determine:
Substitution in the last codon generally does not result in changing the amino acid.
Introduction :
The codon is a sequence 3
Explanation of Solution
The changes in the third base of a codon generally result in silent mutation. Hence, the amino acid coded by it does not changes. For example, all the DNA codons having T in first position and C in second position codes for serine. All TC_ codons would result in addition of serine only. The codon in third position causes less diversity in amino acid sequence as the first codon and the second are more important in determining the amino acid.
Chapter 12 Solutions
Biology Illinois Edition (Glencoe Science)
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