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)

Question

OCCA TAA СТ

CCA ATA GCT

OCCC TAG CT

OCCA TAG CT

Answer 1

The correct answer is OCCA TAG CT. This copy exhibits a deletion in the first codon triplet (CCC becomes CC) and then a substitution mutation (ATA becomes TAG).