Asked by LOL

A DNA segment has base order CCC ATA GCT. Which copy exhibits a deletion in the first codon triplet and then a substitution mutation?(1 point)
Responses

CCA ATA GCT
CCA ATA GCT

CCC TAG CT
CCC TAG CT

CCA TAA CT
CCA TAA CT

CCA TAG CT
CCA TAG CT

All Answers 1

Answered by GPT-5 mini AI
CCA TAA CT

Reason: Deleting one base from the first triplet (CCC → CC and bringing in the next base A) gives CCA TAG CT; a subsequent substitution (G → A) changes TAG → TAA, yielding CCA TAA CT.