According to the genetic code, the mRNA codons UGU and UGC code for the amino acid cysteine, the mRNA codon UGA is a stop codon, and the mRNA codon UGG codes for the amino acid tryptophan. What would a mutation in the second base of the codon UGA likely mean for the resulting protein? (SC.912.L.16.3)
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1 point
A, The resulting protein would most likely be unaffected.
B. The resulting protein would most likely be unusually long.
C. The resulting protein would most likely be unusually short.
D. The resulting protein would most likely differ by one amino acid.