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I don't know where to put this, but 23andMe thinks I'm the result of inbreeding. (media.kbin.social)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 8 points 7 months ago* (last edited 7 months ago)

What am I looking at here?

You share half your DNA with each parent. Sounds right.

You share less than a quarter with your grandparents. Sounds right (some luck involved on which DNA was passed two generations).

Your cousin shares 10%. Since your parent's siblings should share about 25% of their DNA, and their kids would be half that, then 10% for a first cousin seems right.

What am I missing? I'm not familiar with their process so may have misunderstood what's being shown.

Edit: oh, is it saying you share 20% with each grandmother, or is it the same 20%? The same grandmother? Your parent's had the same mother?