Concept information
Preferred term
twin studies
Definition
- Twin studies have been instrumental in building our knowledge of the etiology of common disorders because they provide a mechanism for estimating the relative magnitude of genetic and environmental contributions to disease. Monozygotic (identical) twins share 100% of their genes, and dizygotic (fraternal) twins share on average 50% of their genetic material—the same as in any pair of full siblings. [Source: Encyclopedia of Epidemiology; Twin Studies]
Broader concept
Belongs to group
URI
https://concepts.sagepub.com/social-science/concept/twin_studies
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