Answer:
type 1
Explanation:
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution in which only a single amino acid is altered.
An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
It's B. 10 to 20 percent.
Sensory neurons are found in the brain and spinal cord.
