Earlier this week, a team of researchers announced that they’d made a discovery about how we inherit mitochondrial DNA from our parents that could change what we know about not only disease inheritance, but human history as a whole. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: rokoko, Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.pnas.org/cgi/doi/10.1073/pnas.1810946115 ghr.nlm.nih.gov/primer/basics/gene ghr.nlm.nih.gov/mitochondrial-dna#definition hihg.med.miami.edu/code/http/modules/education/Design/Print.asp?CourseNum=2&LessonNum=4 www.zmescience.com/other/science-abc/about-mitochondrial-dna-42423/ www.scientificamerican.com/article/how-do-researchers-trace/ www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/nuclear-dna www.pbs.org/wgbh/nova/article/dads-mitochondrial-dna/ www.mitoaction.org/guide/the-diagnosis-process www.sciencedirect.com/science/article/pii/S0169534702000095 www2.palomar.edu/anthro/homo2/mod_homo_4.htm