Cloning means making an exact genetically identical copy of an organism. It's basically just another term for asexual reproduction. Cloning can also be done artifically by humans.
Benefits of cloning
The study of animal clones could lead to greater understanding of the development of the embryo, and of ageing and age related disorders
Cloning could be used to help preserve endangered species.
Concernes
It's possible that cloned animals might not be as healthy as normal ones, e.g Dolly the sheep had arthritis, which tends to occur in older sheep.
Some people worry that humans might be cloned in the future. If it was allowed, any success may follow many unsuccessful attempts, e.g children born severly disabled.
Cloning gives you a "reduced gene pool", there are fewer diffrent allels in a population. If a population are all closley related and a new disease appears, they could all be wiped out, there are many no allele in the populaton giving resistance to the disease. Tissue culture
A few plants cells are put in a growth medium with hormones, and they grow into new plants, clones of the parent plant.These plants can be made very quickly, in very little space, and can be grown every year.
Social advantages
To produce many copies of the same plants then which may be used to produce plants with better flowers, odors, fruits or any other properties of the plants that are beneficial to the human beings.
To produce plants anytime we want although the climates are not