A week later he returned. Second, you have a dirty mind. And third, you're in for a BIG disappointment. Oh, the stork brought us too. Take their genes down.
Biology is the only science in which multiplication means the same thing as division.
If Darwin was right you will probably figure it out in a few million years. A biologist was interested in studying how far bullfrogs can jump. The frog jumped across the room. Then he cut the frog's front legs off. The frog struggled a moment, then jumped a few feet.