Mechanisms of Twin Formation
For more information, visit the official website of Dr. Safia Taieb, Gynecologist-Obstetrician in Monastir, Tunisia:
http://www.dr-safia-taieb.tn
/ cabinetgynecologieobstetrique.drsafiataieb
Identical twins result from the division of a single fertilized egg into two identical cells with the same genetic material. Fraternal twins result from the fertilization of two separate eggs by two different sperm; the resulting cells have different genetic material.