What the things aid in the movement of the lymph?

lymphatic vessels

Explanation:

Like veins, the lymphatic vessels, which are known as lymphangions, have one-way valves to prevent any backward flow

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.