Category: genetics 101

Genes and Languages: Not So Strange Bedfellows?

Throughout the history of our species there has been one constant:  movement.  Since the origin of Homo sapiens nearly 200,000 years ago in East Africa, humans have journeyed around the globe, ultimately inhabiting every continent save Antarctica.Scientists have traditionally used archaeology, and more ...

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The Origin of Farming in Europe: A View from the Y Chromosome

This guest post is by Roy King, who is a professor of psychiatry at Stanford University and a research colleague of Stanford geneticist and 23andMe scientific adviser Peter Underhill. Roy and Peter have been using genetics to trace the spread of agriculture from the Near East to Europe. The question of ...

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The Answer: Snot

The question: What does DNA look like? While many of the 23andMe scientists have purified DNA more times than we’d like to remember, there are a fair number of people here (on the science team and on the engineering and business teams) who’ve never spent any time at the lab bench. We love all things DNA ...

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Iceland’s Deadly Disease Mystery

For the past 100 years, there has been a mysterious disease afflicting Icelanders. Called Hereditary Cystatin C Amyloid Angiopathy (or HCCAA), it causes severe brain hemorrhages and dementia in young adults. For those individuals who have the disease, life expectancy is usually no higher than 30 years. ...

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Haplogroups of the Rich and Famous

Jesse James Editor's note: This post has been corrected from the original, which gave the incorrect location of Jesse James' grave. One of the most engaging features of 23andMe’s Personal Genome Service is a customer’s ability to trace his or her genetic ancestry using the mitochondrial DNA and the ...

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A Beautiful Ancestry Painting

Roy King is a clinical psychiatrist at Stanford University. He’s also a scholar who uses genetics and archaeology to figure out how agriculture spread through Anatolia and the Mediterranean region of Europe more than 10,000 years ago. Now Roy has another genetic puzzle to consider – himself. With the help ...

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Whose Y to Use? Paternal Ancestry for Ladies

Editor's Note: This post does not reflect our current product offering. 23andMe's ancestry product looks at the autosomes (chromosomes 1-22), the sex chromosomes (XY), and mitochondrial DNA (mtDNA). For more information about how results are different for men and women go here. One of the most exciting ...

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Giving the Gift of a Virtual Gene

Ever since the social media site Facebook allowed users to develop third-party applications, there has been an explosion of various quizzes, icons, and virtual gifts that users can add to each others' profiles. In addition to the various LOLcats, zombies, and werewolves that permeate Facebook these days, ...

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What is DNA Day About Anyway?

You may have seen our recent posts about DNA-themed activities and events for DNA Day. But what is DNA Day all about anyway? DNA Day was created in 2003 by concurrent (Senate and House) congressional resolution to celebrate two important milestones in the study of genetics: the 50th anniversary of the ...

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DNA Day Events

DNA Day is being celebrated around the country on April 25, one week from Friday! To help you participate, we've compiled a list of DNA Day happenings. Drop us a line if you know of any we’ve missed. Chat Online with a Geneticist The National Human Genome Research Institute will host an online chat room ...

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