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23andMe is advertising for Father's Day: get your dad a genetic test. No way *that* could go wrong. ๐Ÿ˜ฌ

@gamehawk ah...the problem with the high school biology blood test experiment.

@alienghic Only more so, yep.

(Son didn't do that in his biology class; guess bloodborne disease has made that a thing of the past.)

Diane @alienghic

@gamehawk It was actually a test to determine blood type, and in a rare while someone would discover that their father couldn't have been their biological parent.

Needless to say schools started to be more cautious about the experiment.

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@alienghic Yep, I did the test back when I was in high school, and in fact our teacher *told* us that discovery was sometimes made, and that we didn't have to do the test if we were concerned about it (or if we just didn't want to bleed). I took it, got an A+.