mitochondrial DNA

Many 23andMe customers that contact Customer Care are confused by their haplogroup assignments and what they actually mean. But knowing your haplogroup, and how you can use it, can give...

Alice found her biological mom after decades of searching, so did Cody and PJ. We’ve heard from many customers about how 23andMe helped them find their mothers, learn more about...

By Amick B. Research shows a strong genetic basis for autism, but for years scientists have been unable to pinpoint the specific genetic variants associated with the condition, which may...

The 23rd Chromosome This month we’ve run a series of quizzes for the back-to-school season. Here’s are the answers to our third and final quiz. Congratulations to Toni K., who...

We know you’ve been studying hard at 23andMe U., but you’ve still got one more quiz to complete. This one hinges on some of the genetic differences between men and...

Mothers are special on so many levels. We cherish them for loving us and imparting important life lessons… and for giving us mitochondria (or “mito” for short)! Mitochondria are small,...

This series on Ancestry at 23andMe offers an introduction to what you can learn about your ancestry through genetic testing.

There are many examples around the world of two distinct ethnic groups living side by side. Sometimes these groups co-exist peacefully. Other times they do not. Often two groups’ differences...

Just over 20 years ago, the first study using mitochondrial DNA (mtDNA) to trace prehistoric human migrations was published. In this seminal study, scientists managed to determine that all humans...

It seems like new discoveries about the peopling of the Americas are a dime a dozen these days.   Without a doubt, the journey those first Americans took from the...