You are only genetically related to 120 ancestors. While we may have 3 billion 30th great-grandparents, why are we only genetically related to 120 of them? 👨‍🏫 Genetic Genealogy 120 ancestors Follow Up 👉🏼 https://www.youtube.com/watch?v=0ewaGF90hQE Get ready to see how science and probability narrow down whose DNA you may have inherited. ---------------- CONTINUE LEARNING 📺 You Have Fewer Ancestors Than You Think https://www.youtube.com/watch?v=nlmK0X3I1Lo 📺 DNA Ethnicity Results Aren't What You Think https://www.youtube.com/watch?v=u8lMfGqSrwg ↪️ Grab your FREE genealogy research guides and templates at https://www.familyhistoryfanatics.com/resources ⚡ Want to climb your family tree faster? Join our membership program. null 📗 Like to read? Check out these books https://www.familyhistoryfanatics.com/books ---------------- CHAPTERS 00:00 Introduction 01:18 The Limits of Our DNA 01:28 Total Length of DNA 03:44 How many Ancestors for 10 million? 04:32 The Functional Limit of DNA 04:49 The Upper Limit of Genes ---------------- ✅ Let's connect: ✔️ Subscribe for more genealogy tips: https://tinyurl.com/FHFanaticsYouTube. ✔️ Website: https://www.familyhistoryfanatics.com/ ✔️ Share Video Ideas: https://www.familyhistoryfanatics.com/contact #FamilyHistoryFanatics #geneticgenealogy #DNAResults