Glossary / Lexicon

Dizygotic (DZ) twins refers to Fraternal twins, who develop from two (2) separate eggs/zygotes fertilized at the same time; twins that share about 50% of their genetic material. Moreover, Dizygotic (DZ) twins refer to non-identical, or fraternal twins who are genetically alike only to the same degree as other siblings. Please see also Monozygotic twins.