this post was submitted on 08 Oct 2025
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The concept of a bloodline is incoherent.
Since the number of direct ancestors doubles every generation you go back, individual lineage is closer to a bowl of spaghetti than a family tree.
Every generation you go back, you share less and less genetic markers. You share exactly 50% of your DNA with each parent, about 25% with each grandparent etc. Eventually you'll find a direct ancestor with whom you share no DNA markers. It's 12 generations back, on average.
So, go back a few hundred years, and you're not genetically related to anybody. Go back a thousand, and everyone's list of ancestors is indistinguishable.
...So you're saying it's OK to fuck my cousin
If he's okay with it, I don't see any issues.
Depends on how far removed the cousin is. Literally.
Nice, she moved like 1,000 miles away, so it's SO on next family reunion!
Even fucking a sibling is okay (probably,) from a genetic viewpoint. It's when you have multiple generations doing it when you run into trouble. Genetically speaking.
That's assuming you have a family tree and not a family column.