Question

This is a normal nucleotide sequence on a DNA strand:
A---C---T---G---G---A---T
What is an insertion?
a) A---C---T---G---C---G---A---T
b) A---G---T---G---G---A---T
c) A---C---T---G---G---A---U
d) A---C---T---G---A---T

Please help quick!

Answer 1

The answer is A. The definition of an insertion is when an extra nucleotide is added to the DNA strand during replication. In this case, the C was added in between the G’s.