Usually means: Research comparing identical and fraternal twins.
Definitions Related words Mentions
We found 5 dictionaries that define the word twin study:

General (1 matching dictionary)
  1. Twin study: Wikipedia, the Free Encyclopedia

Medicine (4 matching dictionaries)
  1. Medical Dictionary (No longer online)
  2. twin study: Medical dictionary
  3. online medical dictionary (No longer online)

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Definitions from Wikipedia (Twin study)

▸ noun:  Twin studies are studies conducted on identical or fraternal twins.


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