What is a disadvantage of the current use of transgenic anitbody fragments to induce resistance to the herbicide picloram?

A. Each antibody molecule can neutralize only one herbicide molecule

B. Picloram is an auxinic herbicide, thus the antibodies will neutralize endogenous auxin

C. The antibodies induce morphological defects (e.g. epinasty)

D. The antibodies are quickly degraded by host enzymes, so they have little effect on picloram

Answer: Option A