Banana plantlets are actually offshoots, that grow from the base of the banana plant. 

You can transplant a banana tree pup to propagate a brand new banana tree. You certainly can, and dividing banana pups is easier than you may think. 

Dividing banana plantlets is the preferred method of propagation. Before you begin, ensure the main banana plant is healthy and has at least three or four good-sized offshoots to anchor it to the soil.