MATH AND SCIENCE APPLIED TO GENETIC GENEALOGY
If you’re interested in X Chromosome DNA, be sure to check in with this article from time-to-time as I update it with data for additional relationships. This is the only place to find shared X-DNA ranges. Data for 2nd cousins once removed are now available.
Tools
RELATIONSHIP PREDICTOR
This relationship predictor uses the most accurate data currently available and shows differences between maternal and paternal relationships.
multiple cousin PREDICTOR
This tool is the same as the above relationship predictor except that it includes 3/4 siblings and double 1st cousins—the first tool of its kind.
AYPR/ROH Predictor
After using the GEDmatch “Are Your Parents Related?” tool, the best thing to do next is to enter the cM amount directly into this tool.
DNA COVERAGE
How much of an ancestor’s DNA do you have? How much would you be able to reproduce if you and various relatives all had your DNA tested?
Recent Posts
A New Relationship Predictor for Genetic Genealogy
Relationship predictions are now updated to include differences in maternal and paternal...
How Much of an Ancestor’s or Relative’s DNA Do You Have?
Previous cousin statistics charts haven't shown the differences in shared DNA between paternal and...
A Banner Year for DNA-SCI.com
It will be hard to capture all of the discoveries that have been made and posted at this site in...
Mathematical Formulas for Genetic Genealogy
This post won't be everyone's cup of tea. But I've used these countless times in programming in...
Small Segments: Are We Asking the Wrong Question?
Small segments affect most of our matches, whether we think we're using them or not.I don’t know...
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