Question

Review the following DNA sequences.

Original DNA Sequence

A T T G C T A A G T C A

Mutated DNA Sequence

A T T G A T A A G T C A

Which type of mutation occurred?


insertion


deletion


There is no mutation.


substitution

Answer 1

The answer is substitution

Step-by-step explanation:

Substitution is a kind of mutation that occurs when one nucleotide is change by a different one. In your example, only change the fifth nucleotide (C by A) so, this is an example of point mutation (onle one nucleotide changed).

The other options are differents kinds of mutations that the one shown in your question.