The codon chart shown here uses the three base sequence found on the mRNA molecule after the information is copied from DNA during transcription. If the mRNA message is ACC UAC UGC, what was the original DNA base sequence?
Responses
A UGG AUG ACGUGG AUG ACG
B TCC ATG ACGTCC ATG ACG
C ACC UAC UGCACC UAC UGC
D TGG ATG ACG
The correct answer is D. TGG ATG ACG.
To determine the original DNA base sequence from the mRNA sequence, you need to use the codon chart provided and match each mRNA codon with its corresponding DNA codon.
- ACC corresponds to TGG
- UAC corresponds to ATG
- UGC corresponds to ACG
Therefore, the original DNA base sequence is TGG ATG ACG.