The Answer would be true :)
Movement of a part superiorly is that you elevates when you move a part superiorly (closer to the top of the head), like shrugging your shoulders.
Answer :
The<u> fat </u>of the myelin sheath insulates neurons so messages are conducted more efficiently.
B. Because this shows that the dominant allele will show if a AA(homozygous dominant) x aa(homozygous recessive)