genealogy

Bios Magazine: Big Questions

Did you know that more than 26 million Americans have had a personal genomics test performed? And within the next two years, the number is expected to grow rapidly. As genomic testing becomes more common, you might wonder what the implications are for your future. Perhaps you’ve had a genetic test performed or plan to do one soon. What should you expect? And what should you be cautious about?

Using DNA Databases to Track Down the Golden State Killer Suspect

It’s been widely reported that investigators got a break in the East Area Rapist/Golden State Killer case when they uploaded a DNA profile to a genealogy database, GEDmatch, and identified relatives of the suspect, Joseph DeAngelo. Did they get lucky, or did they have a good chance of finding him? UC Davis population biologists Graham Coop and M. D. “Doc” Edge have written a nice explainer of the science behind this search.