Opposites attract ? Well , maybe not , when it follow to union . Numerous studies have shown that humans pluck better half who resemble them in term of race , ethnicity , religion , age , income , body type and a host of other factors [ source : Dunham ] . This leaning to choose an " identical " partner is known asassortative mating , and it proves thata love connection is much more than a matter of fate ; it ’s the result of heedful choices and rating , even if you ’re not needfully aware that you ’re doing it .
What ’s more , study unwrap that not only do people pick pardner who share their personality and values , but these shared characteristics boost married satisfaction for both partners [ source : Luo and Klohnen ] .
Just how far does that desire for a similar mate extend ? A 2013 sketch deal at the University of Colorado Boulder suggests that this similarity is more than peel - deep ; in fact , it ’s in the cistron . By studying 825 couples , researchers let out that married couples have more similar gene profiles than random brace of citizenry [ root : Domingue et al ] . While the deoxyribonucleic acid similarity were statistically significant , the researchers found that genetic science have only about one - third of the influence on spouse option in comparison to education . That means you ’re more likely to blame a husband or married woman with a interchangeable education level than you are to choose one with similar genes .
This relationship between genes and matrimony harbor true even after scientist accounted for affair like subspecies and geography , which could explain why couples share similar genetics . Of course , this research is fairly raw and much more work necessitate to be done to determine the extent of marital genetic similarity . The cogitation was also confine in that it focalize on older , livid , diametric - sex couples , so it could flex out that people of semblance or same - sex activity duo do n’t share this DNA bond certificate .
The radio link between marriage and genetic science could potentially help explicate why matrimonial couples seem to spring up to await likewise over the days . Sure , environment and modus vivendi play a factor , but it could be that these couples would merely share some physical similarities whether they married or not thanks to the workplace of genetics .
