Scientists Discovered That the Primary Reason Leaves Either Develop as Simple

Multiple Choice

Scientists discovered that the primary reason leaves either develop as simple or compound is related to

A) whether the KNOX gene is active or not active.
B) where the leaf primordium is positioned.
C) whether auxins are moving in the stem tip.
D) how fast the KNOX gene arrives at the primordium.
E) the protein PHANTASTICA and its interaction with auxins.