The nerve stimulus arrives at the fiber at such a rapid pace that there is no decrease in tension between stimuli detected. This results in a tectanic contraction that is fused (complete) . Thus the muscle fiber does not relax at all due to this complete tetanus.
<h2>D is the correct answer!</h2><h3></h3><h3>Parents: Bb Bb</h3><h3>Child: bb</h3><h3></h3><h3>He inherited the RECESSIVE trait from both parents.</h3><h3>He got a 'b' from both parents.</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>