Scientists use artificial chromosomes to correct genetic defects

ngrguardiannews.com — For years, molecular biologists and geneticists have trod gingerly around the most explosive topic of the new reproductive biology: purposely making genetic changes in people that would persist for generation after generation. Indeed, there were so many technological roadblocks to the process, called "germ line" genetic engineering ... Nov 12, 2006 View in Crawl 4