by Brit Nicholson | 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...
by Brit Nicholson | Apr 27, 2022 | Blog, DNA Science
Introducing the first ever relationship predictor to include X-DNA data in the percentage input box The tool can be found here with the new percentage box available as of 27 Apr. 2022. If you’d like some background on the principles of X-DNA, I recommend this...
by Brit Nicholson | Oct 19, 2021 | Blog, DNA Science
It will be hard to capture all of the discoveries that have been made and posted at this site in the past twelve months. A year ago I was using a very basic natural model of genetic inheritance. I had been publishing averages and ranges of shared DNA for relationships...
by Brit Nicholson | Sep 7, 2021 | Blog, DNA Science
X Chromosome averages and ranges are now available for the first time ever I know what you’re going to say. X-DNA is too variable for us to deduce anything from the averages or ranges. I say that we should always seek to improve our understanding of the natural...
by Brit Nicholson | Dec 28, 2020 | DNA Code
I’ve written two Python algorithms that I describe in this article. The algorithm below works for downloaded segment-level match files from GEDmatch. The other algorithm, found here, is for match files downloaded from MyHeritage. # Copyright (c) 2020 Brit...
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