<span>A(n)PRIMITIVE CHARACTER is one present in the common ancestor and all members of the group
Primitive character is also known as ancestral character in phylogenetics. It is defined as a characteristic that has undergone little change since time immemorial and is inherited from a common ancestor of a clad.
</span>
Physical means on the outside so what does it look like on the outside it has spots its a kind of cat it has claws those kinds of things
You will have to expand more on this but I think it is helpful to make things more efficient to what we need them for and it could make a positive impact in that way but also negative impacts could be deformities or diseases by changing some things genetic makeup