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 ...

Linkage in 181 dizygotic twin pairs yielded a 6.93 lod score. The PPARG C→T substitution allele was far less common in monozygotic twins than in dizygotic twins. Dizygotic heterozygosity was ...