by Brit Nicholson | Jan 5, 2021 | Blog, DNA Science
People often ask how their DNA match with a cousin will be inflated if they have a double relationship with that cousin. Some helpful people have offered that you can look up shared averages and ranges for certain relationships and double all of them, or for two...
by Brit Nicholson | Dec 31, 2020 | Blog, DNA Science
The amount of centiMorgans (cM) we share with a relative tells us how closely related we are to them. A cM is the probability, in percentage, that a crossover will occur between two genetic loci during a given meiosis event. The units of cM are right there in the...
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...
by Brit Nicholson | May 18, 2020 | Blog, DNA Science
How to automatically identify your most important DNA matches I recently had this idea for a project in Python that could save me a lot of work: What if a computer program could identify your most important DNA relatives? I was sure that the results wouldn’t be...
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