A new industry of direct-to-consumer genetic tests is springing up which let you get information about your ancestry and genetic traits. For Christmas, I ordered a test from 23andme. I’ve discovered interesting information about my health (such as that I am unlikely to get Parkinson’s disease when I get old) and my ancestry.
The ancestry part of it has been particularly fascinating, given my mixed ethnic background (my mom is Brazilian, and Brazil is a real melting pot of races and cultures). The first interesting thing that I discovered is that my mitochondrial DNA is from the L3 haplogroup, which means that four or five hundred years ago, my direct maternal ancestor was probably living in what is now Mozambique, and she was almost certainly brought to Brazil as a slave — it has been interesting to get little bits of information about my ancestors that I never could have known before. The 23andme data also showed that I had some indigenous ancestry as well (listed as “Asian” in 23andme’s results, but Native American DNA shows up as Asian, since Native Americans are descendants of Asians who came across the Bering Strait ).
The Dodecad Project is an online project which collects and analyzes samples of people who have done tests from places like 23andme. They have just released a tool which you can use to analyze your 23andme data to get an idea about the percentages of admixture from 12 different ancestral groups in your own genotype. It is an interesting way to get an idea about where your ancestors came from.
Here are my results from the tool:
As you can see, I’m mostly European / Mediterranean, with added admixture of a little bit of everything else. I wonder if the Northwest African / West Asian / Southwest Asian indicate some Moorish ancestry from my Portuguese ancestors who moved to Brazil.
I can’t wait until it is cheap enough for anyone who wants to sequence their entire genome. Until then, all of these tools are very interesting indeed.