The answer is a sexual maturation. Sexual maturity is the competence
of an organism to reproduce. Puberty encompasses the process of sexual
maturation and adulthood is based on cultural definitions, but in humans It may
be well thought-out identical with adulthood.
In artificial selection, breeders select parent organisms with desired characteristics, in the hopes that when they are crossed, the desired variations will appear in the offspring. ... If the organism is "fit" it does survive and reproduce, thus possibly passing its traits to future generations.
