This is a normal nucleotide sequence found on a section of dna:
a-a-t-a-g-c-a-t-t.
what is a small scale mutation caused by deletion?

a. a-a-t-a-c-a-t-t

b. a-a-t-a-g-c-a-t-a

c. a-a-t-a-c-g-a-t-a

d. a-a-u-a-g-c-a-u

Answer : The correct answer is -

A. A-A-T-A-C-A-T-T

Mutation can be described as permanent change in the genetic material (DNA) of living organisms.

Deletion is a type of mutation that results due to loss of a sequence of DNA (a piece of chromosome) or a single base from the DNA.

It leads to change in the codon sequence of DNA, which alters the protein ultimately.

In this question, option A) represents small scale mutation, which is result of deletion of G (Guanine) that is placed at fifth position in the original DNA sequence.

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