The Phase Change of an Apical Meristem from the Juvenile

Multiple Choice

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by

A) a change in the morphology of the leaves produced.
B) the initiation of secondary growth.
C) the formation of lateral roots.
D) a change in the orientation of preprophase bands and cytoplasmic microtubules in lateral meristems.
E) the activation of floral meristem identity genes.