graft
in
A Sound of Thunder

to artificially join two things; or the smaller of the items joined; or the location of the joining

Common examples are the grafting of a plant shoot to another plant stem or the grafting of skin tissue to replace skin lost due to fire or other accident. This sense of graft can also be used metaphorically as in "graft the provision onto the legislative bill."

corruption in which one uses their position to gain personal advantage -- especially political corruption