Six cloned sniffer dogs - the world ' s first - chase a ball as they report for training at detect - dogs training center in Incheon Megalopolis , South Korea . 24 April 2008 . Seven of the dogs in total were born in late 2007 undere a government scheme and six have passed their first round of behavioural and genetic qualities tests to become snffer dogs . The puppies , all lnamed Toppy ( tomorrow ' s puppy ) are identical to their Golden Retriever father . EPA / JEON HEON - KYUN < 저작권자 ⓒ 2007 연 합 뉴 스 . 무단 전재 - 재 배포 금지 . >