Answer:
Frameshifts are caused by the addition or deletion of a nucleotide in the DNA sequence. It does not occur if there are three deletions or additions simultaneously (because codons are 3 nucleotides long). A frameshift mutation will cause the reading of the codons after the mutation to code for different amino acids. It also alters where the "stop" codons are located.
Answer:
b. longitudinal wave
Explanation:
noun Physics.
a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.