Several years ago, I helped an adoptee I called “Gordon” identify his biological father. (Gordon is a pseudonym, as are…
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.
We can analyze complex pedigrees with more sophisticated methods.
Christine Davis of DavisDNA was perplexed. And with good reason! A few weeks earlier, she’d uploaded a female client’s AncestryDNA…
What is a centimorgan, anyway?
QUESTION: A reader contacted me recently to ask: Is it true that half-relationship DNA “fades” faster? And if that’s the…
Oops! I’ve made an error in some of the analyses for this post. I will update it as soon as…
Relationship Predictor Survey The Relationship Predictor Survey was launched in March 2023 to collect large-scale data from citizen scientists (like…
Relationship Predictor Survey There are now several tools that predict which genealogical relationships are most likely for given amounts of…