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Last Updated Thursday May 24 2018 05:38 PM IST

Divorce does run in families and could be genetic: study

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Washington: Children of divorced parents are more likely to get separated when compared to those who grew up in two-parent families, and genetic factors may be to blame, according to a study.

The study analyzed Swedish population registries and found that people who were adopted resembled their biological - but not adoptive - parents and siblings in their histories of divorce.

"We were trying to answer the basic question: Why does divorce run in families?" said Jessica Salvatore, assistant professor at Virginia Commonwealth University (VCU) in the US.

"Across a series of designs using Swedish national registry data, we found consistent evidence that genetic factors primarily explained the intergenerational transmission of divorce," said Salvatore, first author of the study that appears in the journal Psychological Science.

The findings are notable because they diverge from the predominant narrative in divorce literature, which suggests that the offspring of divorced parents are more likely to get divorced themselves because they see their parents struggling to manage conflict or lacking the necessary commitment.

They grow up to internalize that behavior and replicate it in their own relationships, researchers said.

"I see this as a quite significant finding. Nearly all the prior literature emphasized that divorce was transmitted across generations psychologically," said Kenneth S Kendler, professor at VCU.

"Our results contradict that, suggesting that genetic factors are more important," he said.

By recognizing the role that genetics plays in the intergenerational transmission of divorce, therapists may be able to better identify more appropriate targets when helping distressed couples, Salvatore said.

"At present, the bulk of evidence on why divorce runs in families points to the idea that growing up with divorced parents weakens your commitment to and the interpersonal skills needed for marriage," she said.

Read more: Latest from Wellness | News and Research | Physical abuse, punishments may impact your kid's academic performance

The opinions expressed here do not reflect those of Malayala Manorama. Legal action under the IT Act will be taken against those making derogatory and obscene statements.

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