Question

question 16 of 25
which sentence describes an insertion mutation?
a. one or more nucleotides are removed from a sequence.
b. one or more nucleotides are added to a sequence.
c. a nucleotide is shared during bacterial conjugation.
d. a nucleotide is replaced with another nucleotide.

Explanation:

An insertion mutation involves adding nucleotides. Option A is a deletion mutation. Option C is about bacterial conjugation (not mutation). Option D is a substitution mutation. So, B correctly describes an insertion mutation.

Answer:

B. One or more nucleotides are added to a sequence.