Genetyka zachowania: co wnosi do wiedzy o człowieku?
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The aim of this article is to highlight the achievements of human behavioural genetics. It begins with a brief overview of the field of contemporary human behaviour genetics. Then, the general principles of behavioural genetics, research methods used, the concept of heritability and areas of rapid advancement in the field are identified. While classical twin studies have been a powerful tool to find heritability or the genetic correlation between different human behaviours, new tools are now available to help identify the genes responsible for individual differences. In particular, association studies and DNA methylation studies are crucial to advancing knowledge on the genetic basis of human behaviour as well as on the epigenetic factors that mediate genetic and environmental effects on behaviour. Several results on the heritability of human behaviour, relationships between genetic polymorphisms and behaviour as well as the consequences of DNA methylation are reported in this article.
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