Most opponents of stem cell research are being rational. If you take as an axiom "fertilized eggs are people too", it's not hard to conclude that stem cell expe

Most opponents of stem cell research are being rational. If you take as an axiom "fertilized eggs are people too", it's not hard to conclude that stem cell experiments are immoral. Fertilized eggs can divide. Is it rational to believe that a person can divide? Is each twin 50% of a person?