Author Topic: What Role does DNA play in Marriage?  (Read 807 times)

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Offline Robertt S

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What Role does DNA play in Marriage?
« on: May 20, 2014, 10:39:13 PM »

 He leaves the toilet seat up, prefers old Japanese monster movies to romantic comedies and fancies martial arts over ballet. So what do you have in common with your husband?
More than you may think.
People tend to choose spouses who have similar DNA, according to scientists who reported on Monday the results of a study exploring the genetic resemblance of married couples.
The researchers examined the genetic blueprints of 825 married couples in the United States and found a significant preference for a spouse with DNA similarities across the entire human genome.
The study compared this affinity for husbands or wives with similar DNA makeup to the well-established and strong tendency of people to marry mates with similar educational levels. The researchers found that the preference for a genetically similar spouse was about a third as strong as the preference for a spouse with comparable education.
The 1,650 people studied in the research were non-Hispanic, white men and women born between the 1930s and 1950s who were taking part in a broader US government-funded study involving health and retirement.
"We do know in some sense that people prefer genetically similar spouses because we know that people tend to date and marry within their own racial and ethnic groups. We worked really hard in this study to not just replicate that fact," says researcher Benjamin Domingue of the University of Colorado's Institute of Behavioral Science, who led the study.
"We eliminated racial variability and tried to control for ethnic variability. And we still find a preference for genetically similar individuals," Domingue adds.
The researchers measured genetic similarity by comparing 1.7 million individual DNA building blocks, known as single nucleotide polymorphisms, in the study participants. They compared the genetic makeup of the married couples to other randomly chosen people of the opposite sex in the same pool of study participants.
Domingue says the actual mechanism for a person being drawn to another person's genetic similarities is probably complicated and multifaceted-"just a whole host of things".
The researchers note that people usually pick spouses with similar backgrounds and characteristics in addition to education, including race, religion, age, income and body type. Genetic similarity can be added to the list, they say.
"For example, people clearly care about height in picking partners. To the extent that tall people marry other tall people, that is going to result in genetic similarity among spouses. But it is difficult to know whether height or genes is driving this decision," Domingue says.
http://www.chinadailyasia.com/life/2014-05/21/content_15136295.html
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Offline Rhonald

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Re: What Role does DNA play in Marriage?
« Reply #1 on: May 21, 2014, 10:53:07 AM »
I guess I can concur with this article's premise, after all, my wife & I can fit into each other's denim blue genes.
Life....It's all about finding the Chicks and Balances

Arnold

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Re: What Role does DNA play in Marriage?
« Reply #2 on: May 21, 2014, 01:52:33 PM »
Qing and I really do share the same "DNA" - Darn Natural Attraction - to each other. It also acts like a "Glue" where we can not be seperated anymore.

Offline JustJim

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Re: What Role does DNA play in Marriage?
« Reply #3 on: May 22, 2014, 08:38:05 AM »
Interesting....    because I find that I am most attracted to how Mei is so different from me...      :D   You can read that any way that you want.