1. Health
Send to a Friend via Email
You can opt-out at any time. Please refer to our privacy policy for contact information.



Updated December 14, 2003

Definition: Derived from a two (di) eggs (zygote). Dizygotic twins form when two separate eggs are fertilized by separate sperm.
Also Known As: Fraternal Twinning
Common Misspellings: dyzygotic, dizygottic

©2014 About.com. All rights reserved.