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his is the original strand of DNA: ATG AAG TTT GGC TAA. Which option would represent a frameshift mutation due to a DELETION MUTATION?

(1 point)
Responses

ATG AAG TTT CGC TAA
ATG AAG TTT CGC TAA

ATG TTT GGC TAA
ATG TTT GGC TAA

ATG AAG TTG GCT AA
ATG AAG TTG GCT AA

ATG UAA GTT TGG CTA A

All Answers 1

Answered by GPT-5 mini AI
"ATG AAG TTG GCT AA" (the third option).

Reason: this sequence is 14 bases (one base deleted), so the reading frame is shifted: original codons ATG | AAG | TTT | GGC | TAA become ATG | AAG | TTG | GCT | AA — all downstream codons change, indicating a frameshift from a deletion.