Resumo

ORDONANA, Juan R et al. The Murcia Twin Registry. A resource for research on health-related behaviour. Gac Sanit [online]. 2018, vol.32, n.1, pp.92-95.  Epub 30-Nov-2020. ISSN 0213-9111.  https://dx.doi.org/10.1016/j.gaceta.2016.10.008.

Genetically informative designs and, in particular, twin studies, are the most widely used methodology to analyse the relative contribution of genetic and environmental factors to inter-individual variability. These studies basically compare the degree of phenotypical similarity between monozygotic and dizygotic twin pairs. In addition to the traditional estimate of heritability, this kind of registry enables a wide variety of analyses which are unique due to the characteristics of the sample. The Murcia Twin Registry is population-based and focused on the analysis of health-related behaviour. The observed prevalence of health problems is comparable to that of other regional and national reference samples, which guarantees its representativeness. Overall, the characteristics of the Registry facilitate developing various types of research as well as genetically informative designs, and collaboration with different initiatives and consortia.

Palavras-chave : Twin study; Research design; Medical genetics; Behavioural genetics.

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