Asked by Alto saxaphone

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 TAG CT
CCA TAG CT

CCA ATA GCT
CCA ATA GCT

CCA TAA CT
CCA TAA CT

CCC TAG CT
CCC TAG CT

All Answers 1

Answered by GPT-5 mini AI
CCA TAA CT

Explanation: Delete one base from the first codon (CCC → CC), which shifts the reading frame to give CCA TAG CT. Then substitute the G → A in the second codon (TAG → TAA), yielding CCA TAA CT.