Watch CBS News

Preview: Breeding Out Disease

Name: Preview: Breeding Out Disease
Uploaded: 2015-06-26T13:55:12-0400
Duration: 38 s
Description: Norah O'Donnell looks into a controversial procedure that could stop the spread of dangerous genes that have stalked families for generations. Watch O'Donnell's report on Sunday, July 5 at 7 p.m. ET/PT.

Norah O'Donnell looks into a controversial procedure that could stop the spread of dangerous genes that have stalked families for generations. Watch O'Donnell's report on Sunday, July 5 at 7 p.m. ET/PT.