by DNA-Sci | Aug 19, 2021 | Blog, DNA Science
The most important aspect of genetic genealogy that nobody talks about It first occurred to me to write this article about a year ago. I thought that I had much more important articles to write and tools to create, but I’ve recognized that the need for an...
by DNA-Sci | Aug 5, 2021 | Blog, DNA Science
We can now easily differentiate between 3/4 siblings and full-siblings over 94% of the time Three-quarter siblings have been confounding genetic genealogists for years. The problem is that their shared DNA overlaps significantly with other sibling types. And, while...
by DNA-Sci | Jul 19, 2021 | Blog, DNA Science
That’s a common question I see from people researching their DNA matches. Until now the only answer we could give was “because DNA is variable.” That’s a correct answer. But we could provide something more useful: A quantitative answer. When...
by DNA-Sci | Apr 6, 2021 | Blog, DNA Science
Relationship predictions are now available showing differences in maternal and paternal relationships, in-group differences, and accurate predictions for 23andMe data Updates: You can now get much better predictions by entering the # of segments along with total cMs!...
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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