Another Ancestor Paradox

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Get 15% off 6" and 8.5" globes using the code "MINUTEEARTH" at https://www.movaglobes.com There is a point in human history where everyone alive at the time fits into one of two categories: Either they are the ancestor of nobody alive today, or they are an ancestor of everyone alive today because of how genealogy and genetic lineages work – and it is much more recent than you think. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: - Identical ancestors point: the most recent point in a population's past where each individual alive then is either the ancestor of every individual alive now or has no currently living descendants. SUPPORT MINUTEEARTH ************************** If you like what we do, you can help us!: - Become our patron: https://patreon.com/MinuteEarth - Our merch: http://dftba.com/minuteearth - Our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com - Share this video with your friends and family - Leave us a comment (we read them!) CREDITS ********* Cameron Duke | Script Writer, Narrator and Director Arcadi Garcia i Rius | Storyboard Artist Sarah Berman | Illustration, Video Editing and Animation Nathaniel Schroeder | Music MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info OUR STAFF ************ Lizah van der Aart • Sarah Berman • Cameron Duke Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes Alex Reich • Henry Reich • Peter Reich Ever Salazar • Leonardo Souza • Kate Yoshida OUR LINKS ************ Youtube | https://youtube.com/MinuteEarth TikTok | https://tiktok.com/@minuteearth Twitter | https://twitter.com/MinuteEarth Instagram | https://instagram.com/minute_earth Facebook | https://facebook.com/Minuteearth Website | https://minuteearth.com Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176 REFERENCES ************** Chang, Joseph T. “Recent Common Ancestors of All Present-Day Individuals.” Advances in Applied Probability, vol. 31, no. 4, 1 Dec. 1999, pp. 1002–1026, https://doi.org/10.1239/aap/1029955256 Rohde, Douglas L. T., et al. “Modelling the Recent Common Ancestry of All Living Humans.” Nature, vol. 431, no. 7008, 1 Sept. 2004, pp. 562–566, www.nature.com/articles/nature02842, https://doi.org/10.1038/nature02842