The of the myelin sheath insulates neurons so messages are conducted more efficiently.

The high fat content of the myelin sheath insulates neurons so messages are conducted more efficiently.

Explanation:

The Myelin Sheath of a neuron consisting of high fat containing cells. A gap between the myelin sheath is called axon. The myelin sheath gives the whitish appearance to the white matter of the brain.  The fat inhibits the propagation of electricity, the signals jump from one gap to the next. Multiple sclerosis is characterized by patches of demyelination of the central nervous system. The symptoms of the result from this demyelination are determined by the functions normally contributed by the affected neurons, the Disruption of muscle control, speech and visual disturbances are common.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.