If a Piece of Stem from One Apple Cultivar Is

Multiple Choice

If a piece of stem from one apple cultivar is grafted onto the shoot system of another,what must happen for the graft to be successful?

A) Each section must be able to form roots.
B) The grafted section must be able to form seeds.
C) Each section must be able to form leaves.
D) Fusion of the two cambia tissues must occur.
E) Each section must be derived from the same species.