by DNA-Sci | Feb 10, 2022 | Blog, Genealogy
I’ve been researching my family tree for seven years now. I admit that that isn’t very far back—I haven’t even gotten to my own birth yet. My genealogical origin story is called The Missing Chevalier. The commencement of the very rigid journey was...
by DNA-Sci | Jan 14, 2022 | Blog, Genealogy
For decades these two lines of people’s trees were stuck in the late 18th century. With very little time spent I was able to take two lines of matrilineal ancestors back to the 17th century. I’m not normally a fan of researching my ancestors as far back as...
by DNA-Sci | 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...
by DNA-Sci | Sep 29, 2020 | Blog, Probability and Statistics
What’s the probability that two children share one whole copy of the X chromosome without sharing a father? I’ve made an X chromosome model that predicts shared X DNA percentages and ranges for various ancestors, but I haven’t yet calculated ranges...
by DNA-Sci | Feb 14, 2020 | DNA Code
# Copyright (c) 2020 Brit Nicholson. # All rights reserved. This program is made available under # the terms of the Simple Non Code License (SNCL) v2.3.0, # which is available at # https://github.com/MysteryDash/Simple-Non-Code-License/blob/master/License.txt # This...
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