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Fraternal

By Pamela Prindle Fierro, About.com

Definition: A twintype derived from a two eggs. Dizygotic twins form when two separate eggs are fertilized by separate sperm. Fraternal twins are no more genetically similar than siblings born apart.
Also Known As: dizygotic
Common Misspellings: faternal, maternal, fraternity, nonidentical
Related Terms

DizygoticIdentical

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