this post was submitted on 06 Dec 2023
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The real question is why would you put your genome into the hands of a company without a compelling reason beyond "This sounds cool"
A lot of people didn't, but their relatives did and now theyre implicated.
If my uncle did this, how would they get my information and genome over him? I read the Wikipedia article but still don't understand how this works.
Because 25% of your uncles DNA is the same as yours.
Okay, but they don't know which part and the don't even know I exist if my uncle isn't telling them?
They don't, but other companies like insurance might know. And they are the ones who's buying. They use multiple sources of data. And then they put 2 and 2 together.
Even though it's 25%, they will still calculate it as a risk.
Thanks for putting it together, now I understand the reasoning.
I'll have to get the name of the specific murder porn show from my wife, but there's one where they go into detail about how they find a suspect with DNA by finding people with a close enough match to narrow down the family tree and get super close to the actual person, if not the exact person.