B
A stop codon would be introduced prematurely.
Would someone help me with the following...it's not A.Thnx!!
What would happen if the mRNA codon that coded for Cys was mutated in the third position from a U to an A?
A The codon would now code for Trp instead of Cys.
B A stop codon would be introduced prematurely.
C The amino acid Cys would still be coded.
1 answer