by DNA-Sci | Sep 6, 2023 | Blog, DNA Science, Probability and Statistics
An analysis of whether or not the longest segment should be included in relationship predictions In February of 2023 a new tool called SegcM redefined the way genetic genealogists get their relationship predictions. SegcM uses the number of segments along with total...
by DM_Walsh | May 4, 2023 | Blog, DNA Science
This is a guest post by DM_Walsh I specialise in hard-to-crack unknown parentage UK cases where there is enough DNA evidence, but only just. (Some of these cases take months to resolve, and so apologies if I can’t take yours on.) I thought it would be helpful to pull...
by DNA-Sci | Apr 3, 2023 | Blog, DNA Science, Probability and Statistics
Key to understanding how new relationship predictors perform is an understanding of how probabilities work One time I was sitting and waiting for class to begin in one of many advanced statistics courses I took. The professor entered and started class with something...
by DNA-Sci | Feb 3, 2023 | Blog, DNA Science
People have been asking for this for a long time. Relationship predictions that include # of segments work much better than expected. It’s here! Today a new relationship predictor is available for you to use for free. You can now enter the total number of...
by DNA-Sci | Jul 10, 2022 | Blog, DNA Science
A new visualization tool helps people understand the ways that full-siblings can share DNA as well as average sharing percentages Yesterday a new tool was released that will help a lot of beginners and veteran genetic genealogists alike. These visualizations show in...
by DNA-Sci | Jun 29, 2022 | Blog, DNA Science
New discoveries overturn the familiar adage that X-DNA is usually from a farther back ancestor than autosomal DNA As of today, you can test the new discoveries against the old adage by comparing any amount of X-DNA to the same amount of autosomal DNA. Two months ago I...
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