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

The answer is substitution

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.

answer: is this like gg x gg

explanation:

idk

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation: