Note: see here for a collection of links to Sim-cM-related pages.
Sim-cM aims to supplement the data from the Shared cM Project by simulating shared DNA for various genealogical relationships. See the Sim-cM White Paper (from September 2019) for details about the project’s setup and first results.
Results are summarized below for the relationships simulated to date, and each summary box links to histogram plots and more detailed results.
Raw data (in .txt format) is available for each set of simulations here.
For each of the summaries below, the average amount of DNA shared is shown for all pairs of relatives with the given relationship who shared DNA (at least 7cM) across 10,000 simulated replicates. Only DNA segments of 7cM or larger were included in these calculations, and only autosomal DNA was simulated (and included in calculations). The ranges shown represent the 1st to 99th percentiles for each value. Click each box for more detail.
Note: some minor errors were found in some of the first posted results. Those have been corrected, and updated results are noted below.
Updated 6 November 2019