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 | Feb 3, 2022 | Blog, DNA Science
Coincidentally, while testing the best methods for using multiple siblings’ kits, a person I’m helping has a close match to a sibling pair. This is a practical application of helping people with advanced genetic genealogy methods. I was recently finishing...
by DNA-Sci | Apr 18, 2021 | Blog, DNA Science
An improved method for calculating the average and range of runs of homozygosity in the DNA of Charles II You can now get relationship predictions from number of segments and total cMs. This tool often tells you the exact relationship for close family members,...
by DNA-Sci | Mar 12, 2021 | Blog, DNA Science
You already know that you get 25% DNA, on average, from a particular grandparent. But we can do better than that. Remember to use the most accurate relationship predictor to find out how you might be related to your DNA matches. Suppose that you and some friends want...
by DNA-Sci | Mar 3, 2021 | Blog, DNA Science
Alternate title/misleading answer: 23andMe counts FIR twice Scientists who aren’t familiar with genetic genealogy will be very confused by the above question. After all, 50% is the expected amount, or average, that two siblings share. AncestryDNA doesn’t report the...
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