Scroll down for links to other posts in this series. Basic Probability Last year, I wrote a post entitled…
In March, AncestryDNA introduced a new feature called Genetic Communities (GCs for short). At the time, I described the Genetic Communities…
NOTE: The original version of this post used an inappropriate simplification of the math. Ann Turner, Louis Kessler, and Andrew…
UPDATE: Additional simulations by Andrew Millard using different recombination rates for men and women indicate that half-siblings and aunts/uncles/nieces/nephews can…
I wrote this post for my father’s cousin, whose AncestryDNA results just came in. I hope others can benefit from…
Have you ever looked at a particularly large shared segment with a distant cousin and wondered “What are the odds?” We wouldn’t…
If you have taken the AncestryDNA test and “attached” a family tree to your results, Ancestry’s computers will search the trees…
On March 28, 2017, AncestryDNA rolled out a novel and exciting feature called Genetic Communities — GCs for short — as…
Last month, scientists from AncestryDNA published a research paper in the journal Nature Communications that describes the science underlying the forthcoming…
In an earlier post, I mentioned in passing that AncestryDNA’s Match White Paper (31 March 2016) misused the word meioses…