Sim-cM: An Update

A couple of weeks ago, I introduced Sim-cM - a project aiming to provide data from simulated pedigrees for different relationships of genealogical interest. I have now added more data, with results posted for 66 different relationships (including all of those listed in the Shared cM Project Version 3.0). For each relationship, I have included:... Continue Reading →

A New Project: Sim-cM

I've been working on a project to simulate pedigrees and calculate the amounts of DNA shared between pairs of computer-generated relatives in different relationships. Using the Ped-sim Pedigree Simulator,1 I've generated data for eight relationships so far, with 10,000 simulated pairs of relatives apiece.  The main page for Sim-cM has summaries of the results that... Continue Reading →

My Ancestors’ Longevity

It's Week 3 of the #52Ancestors writing challenge, and this time the prompt is "longevity." I took this suggestion as motivation to look at the pattern of longevity of my ancestors over time, and I came up with the following: Some caveats: Clearly, not all of my direct ancestors are shown here; I only included... Continue Reading →

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