Imo, you're taking a cutting, so it's still the same plant. For example, I have a 4 month old mature plant, showing its sex, ready to flower. I take cuttings and root them, they are not born and have to go through development and then maturing, they are already developed and mature as they are the same plant, same age, same DNA, same pheno, same same..... same everything, so how can they be less or more potent?
If I then grew them out enough and took cuttings from those, it is still the exact same plant is it not?
I've read of guys keeping a mother going on 20 years and still taking cuts from it. They keep it topped and pruned, low light, low heat, usually as a house plant in their living room.