They became genetically altered clones. Three survived, two of which incorporated the intended genetic change. Cupid and Diana produce the human protein in their milk. The technology could be used to create animal models of human illnesses on which testing can be done. The new technique could also help transplants.
Scientists also hope to produce selectively modified pig clones in the next year.
Pigs have a gene that triggers severe rejection when their tissue is transplanted into humans. Inc. All rights reserved.