By Fiona Macrae PUBLISHED: 18:30 EST, 12 July 2012 | UPDATED: 18:30 EST, 12 July 2012 A scientist has said the falling cost of DNA testing means Britain is on the verge of a new era of eugenics. Picture posed by model It sounds like something from a dystopian nightmare. Instead of couples settling down after falling in love with each other, they will choose their partners based on the compatibility of their genes. Continue reading →