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The down side is that this CCR5 change may increase your risk of an abdominal aortic aneurysm and put you at risk for complications from various viruses like West Nile or tick born encephaliitis. This AIDs protective variation is actually the loss of 32 alleles (so it is called delta 32) on chromosome 3 at location 46414947. If you have tested your DNA at 23andme, you can check your own CCR5 for the delta 32 variation which is known as i3003626 there. On the raw data page type i3003626 into the large box above the chromosome picture then click the enter key.

The key to using your 23andme test for finding new cousins is to navigate to the DNA relatives page and then click on each name of interest to go to the page with information about that match. When a new tester matched me, my dad, and several distant cousins for 33cM on a specific location on the X, I knew she was related via the Fatland farm family from Halsnøy island, Hordaland, Norway, because I had previously identified the ancestral source of that segment from the 1700s (click here to read about that). Like the description and other information that your matches see on your profile, you have to use the “Manage Preferences” button on the top right of the relatives list page to enter or update that information. Looking at the list of relatives on the DNA relatives page there are some nice filtering features in the right hand column.

First you need to have a paid membership since clustering is a feature of the subscription only DNAgedcom client (DGC) which you download from the subscribers page and run on your PC or Mac. Every match’s name in the left column of the resulting web page can be clicked to go to their match page on Ancestry. They are related to my Wold line, from the same farm in Skogar, Vestfold, Norway that my great great grandad Jorgen Wold lived on. Since he was born 10 years before his parents married and I have no DNA matches on his Dad’s line and a few on his mom’s line

At my recent GEDmatch talk for i4GG, I warned the crowd that soon Genesis would be the only place at GEDmatch where you could upload new DNA kits. One shows how many SNPs overlap between the kits (in other words, how many SNPs are in common between the two sets of test results so can be compared), the next shows the date compared, and finally the company where the test was done is listed. Just click that little pencil next to a kit to get to a form where you can change the kit from public to research, change your alias, add your haplogroups, etc. There are many new options in the multi kit analysis, including my pretty and compact chromosome browser which I previously blogged about.