Question

Review the following DNA sequences .
Original DNA Sequence: ATTGCTAAGTCA
Mutated DNA Sequence: ATTGATAAGTCA
Which type of mutation occurred ?
A) insertion
B) there is no mutation
C) substitution
D) deletion

Answer 1

Answer:

C) Substitution

Explanation:

C has been substituded by A from the DNA sequence so it is Substitution mutation.

Answer 2

Substitution mutation is shown in the ATTGATAAGTCA,  DNA sequence.

The correct option is C.

What is mutation?

Mutation is the changing in DNA or chromosome which cause genetic change in an organism.

Mutation sometimes leads to death.

In the given sequence

Original DNA Sequence: ATTGCTAAGTCA

Mutated DNA Sequence: ATTGATAAGTCA

The C is substituted or replaced by A

Thus, it is a substitution mutation. The correct option is C, substitution.

Learn more about mutation, here:

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