Several years ago, I helped an adoptee I called “Gordon” identify his biological father. (Gordon is a pseudonym, as are…
This blog started in 2016 on a whim. Genetic genealogists seemed eager to learn about the science and math behind…
This is a copy of the first BanyanDNA newsletter, delivered 9 December, 2023. You can sign up for the newsletter…
DNA outliers are more likely to be paternal than maternal. Here’s why.
Use this simple conversion factor to estimate centimorgan amount from percent shared DNA.
By now, you’ve probably heard that 23andMe was “hacked” by criminals who stole the data of up to 7 million…
We can analyze complex pedigrees with more sophisticated methods.
Genetic genealogy needs to protect itself with cryptosignatures.
AncestryDNA is rolling out a new pricing scheme, called AncestryDNA Plus, that charges a small subscription fee to access to…
Christine Davis of DavisDNA was perplexed. And with good reason! A few weeks earlier, she’d uploaded a female client’s AncestryDNA…