I believe it would be a) gene splicing, because gene splicing is when the DNA of an organism is cut, followed by a gene that could be from another organism being <span>inserted.</span>
When the head rotates or tilts, the otoliths in the vestibule sacs shifts, causing the fluid in the semicircular canals to move, bending hair cells, which turn in activate neural signals and notify them about the head's position and movement. The vestibule nerve connects with the cochlear nerve to form the auditory nerve, which relays information to the brain about balance.
Knowing their ending result and feeling accomplished <span />