A simple twist of fate

People blame all sorts of things on their genetic make-up these days, but how much can DNA really tell us? And does its potential outweigh the ethical problems with discriminating on the basis of someone’s genes? Insurers have already agreed not to use genetics test results until at least 2011, but I found out that a dystopian future of DNA-typecasting was probably a lot further away than we might have been led to think…