If Humans Share 100% DNA, How Do We Tell Each Other Apart Genetically?

Discover the math and science behind how genetic genealogists can reliably identify relatives and trace ancestry using our DNA, despite the striking similarities among humans.
🤔 Are all humans 99% the same? 👉🏼 • Are all humans 99% the...
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Chapters
0:00 - Introduction and Question
0:09 - Understanding DNA Similarity
1:33 - Single Nucleotide Polymorphisms (SNPs)
3:10 - The Enormity of Genetic Variations
5:33 - Genetic Testing and Identifying Differences
7:06 - Conclusion
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[@timothysykes1135]

Your presentation style and content is a perfect match for the way that I like to learn. Thank you for explaining this using straight-forward mathematics. Keep em coming!

[@FamilyHistoryFanatics]

Thanks for the feedback.

[@faithhowe6170]

Very well explained, thank you for another informative video.

[@FamilyHistoryFanatics]

My pleasure!