If you're going to play God, keep in mind that it's very likely that the whole human race will have to pay the price! In cases of infertility, there's adoption. In cases of organ replacement, we need to ask ourselves just how far we're willing to go to extend our lives. The Christian who looks forward to going to Heaven might not have the same POV as a non-believer! Anyway, just because you CAN do something, that doesn't automatically mean it's wise or ethical to do it! After Pandora's box has been opened, it could very well be too late to do anything about any dangerous or simply undesirable consequences. I read that the Zika virus was developed as a BIOWEAPON (according to Dr. Francis Boyle! Here's a link: http://beforeitsnews.com/alternative/2016/01/top-expert-zika-virus-is-bio-warfare-dr-francis-boyle-3291272.html) Now Congress has asked for tons of money to fight this new "plague". I wonder what and how much it will cost us if we don't BAN CLONING!