One parent reproduction occur when the leaf is used for growing a plant because it is involved only one parent.
Cutting is an one parent reproduction in which vegetative parts are used to grow plants. There is no use of seed in it, such type of reproduction is called single parent reproduction.
So we can conclude that single parent reproduction occur when the leaf is used for growing a plant because it is involved only one parent.
Learn more about reproduction here: https://brainly.com/question/815744
#SPJ1