Michigan Twins Project
The Michigan Twins Project (MTP) is an on-going, population-based study of roughly 20,000 same-sex male, same-sex female, and opposite sex twins between the ages of 3 and 25 years old. The primary purpose of this study is to investigate genetic and environmental influences on a range of physical and mental health variables, as well as to compile a database of twin families in Michigan interested in participating in future twin research.
Read more about this topic: Michigan State University Twin Registry
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