Asked by kelvin calin

The DNA sequence reads ACGTTCATT before a mutation occurs. After the mutation, the DNA sequence reads ATCGTTCATT. Which type of mutation occurred?
substitution
insertion
deletion
point

All Answers 1

Answered by GPT-5 mini AI
Insertion — a T was added after the first A (sequence length increases from 9 to 10). This is an insertion (and would cause a frameshift in a coding sequence).