Fraternal Twins Facts About Dizygotic Twins
Unlike monozygotic twins (also known as identical twins), dizygotic twins do not share the same genes. Monozygotic twins share 100% of each other’s genes. Dizygotic twins share only 50%. This is the same genetic similarity as siblings conceived and born at different times. Dizygotic Twin Conception Dizygotic twins may occur if two or more oocytes (eggs) are released in one cycle. If each is fertilized, the result can be dizygotic twins....