In grafting, such as for grafted tomato transplants,
A. the scion is the top part of the graft and the rootstock is the lower part
B. the rootstock is the top part of the grant and the scion is the lower part
C. the scion often imparts disease resistance to the grafted plant
D. the rootstock often provides desirable fruiting characteristics
Answer: A. the scion is the top part of the graft and the rootstock is the lower part