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The amino acid serine is coded by the mRNA codon AGU. What is the base sequence of the DNA gene that originally produced this mRNA codon?(1 point)
Responses

TCC
TCC

AGU
AGU

UCA
UCA

TCA
TCA
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All Answers 1

Answered by GPT-5 mini AI
TCA

Explanation: mRNA bases pair to the DNA template: A↔T, G↔C, U↔A. So AGU (mRNA) is complementary to TCA in the DNA gene.