by Brit Nicholson | 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 Brit Nicholson | Sep 23, 2020 | Blog, DNA Science
Several instances have come up recently in which people have identified unfortunate cases of incest in their families. Some of these cases involve a woman having a child with a brother or uncle. The first thing I like to ask someone when they discover that...
by Brit Nicholson | Aug 19, 2020 | Blog, DNA Science
I started using a free application called Gephi to turn my DNA segment-level matches into clusters in early 2017. It didn’t seem as useful once MyHeritage came out with their AutoCluster tool. However, there are quite a few things you could do with Gephi that I...
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...
by Brit Nicholson | May 15, 2020 | Blog, DNA Science
Recombination occurs at different rates in fathers and mothers. This model produces highly accurate estimations of shared DNA. These model results show the ranges for shared DNA between relatives and ancestors. It’s trained to reproduce three known...
Recent Comments