Adjective
derived from two separately fertilized eggs
Source: WordNetdizygotic twins Source: Internet
Such evidence includes the familial clustering of cases, greater concordance in monozygotic compared with dizygotic twins and heritability of endocrine and metabolic features of PCOS. Source: Internet
Examining only male twin pairs, he found a 100% concordance rate for homosexuality among 37 monozygotic (MZ) twin pairs, compared to a 12%–42% concordance rate among 26 dizygotic (DZ) twin pairs, depending on definition. Source: Internet
The study concluded that the monozygotic co-twins would be more similar than dizygotic co-twins in change over time. Source: Internet
Twin studies reinforce this pattern: monozygotic (identical) twins raised separately are highly similar in IQ (0.74), more so than dizygotic (fraternal) twins raised together (0.6) and much more than adoptive siblings (~0.0). Source: Internet