Politiska åsikter påverkas eventuellt av våra gener
Detta är ännu en i raden av studier som utgår från tvillingar och enäggstvillingar. Precis som flera tidigare studier har antytt så visar denna studie på en korrelation mellan personliga preferenser inom exempelvis politik och personens genetiska disposition.
Trots att även enäggstvillingar skiljer sig en del genetiskt från varandra, så finns det stora personlighetsmässiga likheter mellan två tvillingar som växt upp i skilda miljöer och i skilda sociala sammanhang, som till stor del bör kunna förklaras med ett genetiskt inflytande. Hade enäggstvillingar varit helt identiska så kan man nog räkna med att dessa genetiska influenser hade varit ännu tydligare.
Political Views May Be Genetically Influenced, Twin Study Shows
Research by Rice University
professor of political science John Alford
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Alford, who has researched this topic for a number of years, and his team analyzed data from political opinions of more than 12,000 twins in the United States and supplemented it with findings from twins in Australia. Alford found that identical twins were more likely to agree on political issues than were fraternal twins.
On the issue of property taxes, for example, an astounding four-fifths of identical twins shared the same opinion, while only two-thirds of fraternal twins agreed.
"What we found was that it probably is going to take more than a persuasive television ad to change someone's mind on a certain political position or attitude," said Alford. "Individual genes for behaviors do not exist and no one denies that humans have the capacity to act against genetic predispositions. But predictably dissimilar correlations of social and political attitudes among people with greater and lesser shared genotypes suggest that behaviors are often shaped by forces of which the person themselves are not consciously aware."
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