Its completely legal, but definitely not as common as it once was. It was once common practice, but marrying your cousin has fallen out of fashion in recent times – thankfully, some would say.
Can you legally sleep with your cousin?
So regardless of how anyone might feel about it, youre legally in the clear when it comes to getting down with your cousin, so long as the parties involved are of legal age and have consented to the relationship.
How much DNA do you share with your second cousin?
Percent DNA Shared by RelationshipRelationshipAverage % DNA SharedRange1st Cousin12.5%7.31% - 13.8%1st Cousin once removed6.25%3.3% - 8.51%2nd Cousin3.13%2.85% - 5.04%2nd Cousin once removed1.5%0.57% - 2.54%7 more rows
Average Percent DNA Shared Between RelativesRelationshipAverage % DNA SharedRange1st Cousin once removed Half first cousin6.25%2% - 11.5%2nd Cousin3.13%2% - 6%2nd Cousin once removed Half second cousin1.5%0.6% - 2.5%3rd Cousin0.78%0% - 2.2%7 more rows