This is part 3 of our special series on Human Ancestry! Watch the entire series here ▻▻ http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 3 of our special...
========== This is you.And these are your ancestors, a huge pyramid
stretching into the past and balancing righton your head.How many ancestors do you have?Well, you have two parents.Four grandparents.And eight great-grandparents.Four generations back, your direct ancestors
total 30.If we continue down this line, doubling every
step, just 40 generations ago we’d finda trillion ancestors, all living *at the same
time*.Which is… ridiculous.That’s not only more people than have ever
been alive, it’s more stars than are inthe Milky Way.Since our species came on the scene 200,000
years ago, there’ve been maybe 7 or 8 *thousand*generations of humans leading up to… you.So where are all your missing ancestors?Clearly, there’s been some inbreeding.[OPEN]We’re not talking ban...