Bill to make marrying your first cousin illegal in Tennessee passes but not without a fight
force @ force @lemmy.world Posts 2Comments 744Joined 2 yr. ago
force @ force @lemmy.world
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Logically only the same reason you couldn't have a relationship with first cousins. Inbreeding isn't exactly a problem for first cousins, they're genetically different enough for it to not have much of an affect until multiple generations of it (plus same-sex people, sterile people, people who just won't have kids), so the only plausible argument for it is "marriages between family members are more likely to be from grooming/manipulation/abuse". Which I don't think is flawless reasoning to make it illegal, same thing could be said about many other perfectly legal types of relationships. But it is a reason.