Research Article
Genetic Influences on Individual Differences in Exercise Behavior during Adolescence
Table 1
Zygosity of participating twin pairs for the total sample and the different age groups (complete twin pairs added in parentheses).
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Note. MZM: monozygotic male twin pair; DZM: dizygotic male twin pair; MZF: monozygotic female twin pair; DZF: dizygotic female twin pair; DOS: dizygotic opposite-sex twin pair. |