The advantages in having clear traceability of large animals as
they move across state lines

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.