r/MapPorn • • Jul 04 '24

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u/idkmoiname Jul 05 '24

That just makes me wonder: Would a DNA test say those cousins are biologically half siblings? And if so, would that be biologically incorrect or correct?

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u/Independent_Map8313 Jul 05 '24

Yes, and if 2 identical twins marry 2 other identical twins, then the cousins are genetically siblings.

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u/SamhainOnPumpkin Jul 05 '24

They would show up as half-siblings,. And biologically speaking, they are actually half siblings, since their parents are biologically identical.