For the seed produces them as the artist produces the works of art; for it has the form potentially, and that from which the seed comes has in a sense the same name as the offspring; only in a sense, for we must not (Z) expect all cases to have exactly the same name, as in the production of human being from human being (for a woman also can be produced by a man unless there is a deformity: that is why it is not from a mule that a mule is produced).