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ScienceIsSexy420 t1_j9taqcs wrote

You're assumption that different labs may test different loci is probably true, depending on whichever test kit they have sourced to conduct their paternity testing. That being said, testing different loci should still come up with the same results, so different test couldn't wouldn't explain the differing results unfortunately

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Jkei t1_j9tb8oh wrote

Yep, the way they get to their answer might be different but it should still give the same answer (you are the father yes/no) if the method is sound.

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uwu2420 t1_j9td9qw wrote

Do paternity tests give a certain yes or no now? I needed one for citizenship purposes years ago and the report we got only had a percentage, like, “there’s a 99.995% chance of paternity” or some very high but slightly under 100% percentage, but not a solid yes or no. They explained to us at the time that no test could be 100% certain, so a yes or no answer would be invalid.

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Jkei t1_j9tlqly wrote

That's correct, there's no true 100% certainty. But as a matter of statistics, you can interpret some threshold level match as an effective yes/no.

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Beneficial-Elk-8207 OP t1_ja0uadq wrote

I see, so regardless of how many test taken /methods/different lab/s as long the sample came from the same person (assuming there's no human or lab error) it should come up with the same results?

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