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by _yb2s 563 days ago
They don’t get the DNA sequence with these cheap microarray based services. However a human or something just as directly related to a dog would give weird mostly nonsense outputs- even if they could not tell what species the sample is actually from, it would be clearly not a dog. They should detect and reject those samples, but I am not surprised some of the services didn’t bother to implement that, as it requires more work.

This is most likely what they are using: https://www.thermofisher.com/order/catalog/product/550869/ta...