How Much Can We Decide About Baby's Genes?

A British couple has used in vitro fertilization to keep their child free of a gene that promotes breast cancer -- an advancement supported by ethicists who worry, at the same time, where it will lead. The Assisted Conception Unit at University College London Hospital announced this weekend that it had produced the first baby in the United Kingdom guaranteed not to have the breast cancer gene, which is thought to raise the risk of the disease to between 40 and 85 percent. The father of the...Full Story