Fraternal Twins: They are also known as dizygotic twins.They come from two separate eggs, fertilized by two different sperm. They also share about 50% of their genetic material, and have unique ...

For the first 14 minutes of his life, Kyson Witherspoon was the man. No twin brother yet, he didn't look nearly identical to ...

From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's ...

Different experiences in the womb. Although they share a womb, identical twins often experience it differently. One might have better access to nutrients or more room to grow.