Scientists in Wisconsin have mixed ear of pig and egg of cow and a series of other cross species combination into clone living embryos of pigs, rats, sheep and monkeys. The series of experiments,
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cow-eggs-play-crucial-role-cloning-effort
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/life-science