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? 👉🏼 https://youtu.be/hcDhbK-OQgg

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ShowNotes: https://www.familyhistoryfanatics.com/math-behind-dna-matches

📺 Do Twins Have the Same DNA? https://youtu.be/_QNhjPfBaLc
📺 Genetic Genealogy 101: Principles You Need to Know https://youtube.com/playlist?list=PLcVx-GSCjcdnEg-YtkXA7Nj2YxxamaYKA

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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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Видео If Humans Share 100% DNA, How Do We Tell Each Other Apart Genetically? канала Family History Fanatics