Procreative Jokes

A father was walking around the neighborhood with his son when they came upon two dogs involved in the procreative act.
"Father, what are they doing?" asked the little boy.
"They're making a puppy," the father said.
Later that night junior gets out of bed and goes to his parents' room to find them in the procreative act. "Daddy, what are you doing?" asks the son.
"We're making a baby," replied the father.
The little boy's says, "Well roll her over - I want a puppy!!!"