Describe a frameshift mutation and how it differs from a point mutation.

Describe a frameshift mutation and how it differs from a point mutation.

• A. Frameshift mutation is an insertion or deletion not in multiples of three, shifting the reading frame; a point mutation is a single-nucleotide change that may or may not alter amino acids.
• B. Frameshift mutation is an insertion in multiples of three, preserving the reading frame.
• C. Frameshift mutation affects only noncoding regions.
• D. Frameshift mutation occurs only in prokaryotes.

Answer: (A)