Spit to my 23andMe testing tube

What is it mean to send a spit sample to test your DNA?

If you are interested in taking consumer genetic testings to know about yourself, you might be interested in my post here on Medium:
https://medium.com/@shanshen/me-and-my-first-genetics-test-on-23andme-12bea61502f8

Leave me a comment if you have a story with genome tests! πŸ™‚πŸŽ‰πŸŽ‰πŸŽ‰

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