Classroom Questions Questions for ‘What we can — and can’t — learn from our pets’ DNA’ This is Sweetie when she was a young dog. Is she part greyhound? Part Labrador? Her owner gave her a DNA test to find out. (A doggie friend digs in the background.) L. Gunter; adapted by L. Steenblik Hwang Share this:FacebookTwitterRedditGoogle ClassroomEmailPrint By Science News for Students October 24, 2019 at 5:30 am Classroom questions are available for free with registration. Learn more Register to access: Client key* E-mail* Log in Already Registered? Enter your e-mail address above.