which of the following best describes a frameshift mutation
A: A mutation that substitutes one nucleotide for another, often resulting in a different amino acid being incorporated into protein
B: A mutation that occurs when a necleotide is added or deleted, causing a shfit in the reading fram of the genetic code.
C: A mutation that occurs in non-coding regions of DNA and does not affect protien synthesis
D: A mutation that changes the sequence of necleotied withotu changning the amino acid sequence of the resulting protein
