Year, 1960 is when Congo gained its independence.
Answer: The parent plant reproduced asexually by vegetative reproduction, and the plant in John's garden has genes identical to those of the plant in Leah's garden.
Explanation:
The reason for the growth of the small stem into a full-sized, new plant is due to vegetative reproduction, and also because the plants that are in John’s garden has genes that are thesame to the plant that we have in Leah’s garden.
Vegetative reproduction occurs when there is a growth in a plant due to the fragments that are gotten from the parent plant.