Probability is the measure of the likeliness that an event will occur. So.. probability.
in reproductive cloning , researchers remove a mature somatic cell such as a skin cell from an animal that they wish to copy .
they transfer the DANA of the donor animals somatic cell into an egg cell , or oocyte that has had animal is referred to as a clone
This isn't possible except you have a system where there isn't competition and the survival of the fittest in the aspect of the food chain