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. 2012 Dec 18;7(12):e47371. doi: 10.1371/journal.pone.0047371

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© 2012 Vink et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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1A: adult twins and 1B: adolescent twins. The green bars represent correlations in Monozygotic Male (MZM) twin pairs (light green) and Monozygotic Female (MZF) twin pairs. The blue bars represent correlations in Dizygotic Male (DZM) twin pairs, Dizygotic Female (DZF) twin pairs and Dizygotic Opposite Sex (DOS) twin pairs. The green and blue bars reflect the correlations in a full model, while the orange bars reflect twin correlations for Dizygotic (DZ) twin pairs in the most parsimonious model, with: DZM (light orange), MZF (normal orange), DOS (dark orange).