by Brit Nicholson | Apr 18, 2021 | Blog, DNA Science
Previous calculations could only estimate the expected value I see a lot of articles and posts being shared about Charles II of Spain. He was the last of the Habsburg dynasty and that demise has been attributed to the extreme intermarriage in his recent family tree...
by Brit Nicholson | Mar 12, 2021 | Blog, DNA Science
You already know that you get 25% DNA, on average, from a particular grandparent. But we can do better than that. See the relationship probability calculator that uses the most accurate ranges of shared DNA available. Suppose that you and some friends want to place a...
by Brit Nicholson | Mar 3, 2021 | Blog, DNA Science
Alternate title/misleading answer: 23andMe counts FIR twice Scientists who aren’t familiar with genetic genealogy will be very confused by the above question. After all, 50% is the expected amount, or average, that two siblings share. People asking this question have...
by Brit Nicholson | Feb 14, 2021 | Blog, DNA Science
You probably got here from this page. If not, it’s probably a good idea to go look at it and see what this page is about before continuing. Some of the statistics here won’t actually be viewable at 23andMe. The real purpose of this page is to provide the...
by Brit Nicholson | Jan 5, 2021 | Blog, DNA Science
People often ask how their DNA match with a cousin will be inflated if they have a double relationship with that cousin. Some helpful people have offered that you can look up shared averages and ranges for certain relationships and double all of them, or for two...
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