Selective breeding occurs when organisms are chosen to breed because they possess specific traits. for example, selective breeding has resulted in a wide variety of domesticated cat breeds, such as the maine coon and the siamese.

in the selective breeding of cats, the parents of the offspring are chosen by

a human being

Explanation:

Selective breeding -

It is the method of selection , where the human develops the new organism having some characteristics which they desire , is known as selective breeding .

In this case , the humans select two parents to mate in order to produce the offspring with the desirable traits .

hence ,

Humans are responsible of the process of selective breeding .

the answer to your question is sperm

human didn't come from monkeys man i hate these stupid teachers