Chromosome Mapping And GEDmatch: An Overview Of What They Are And What The Benefits Are

As I’ve been contacting the Ancestry DNA matches of the tests I oversee, I’ve found many people are interested in chromosome mapping and/or GEDmatch, but have questions about what they are, what the benefits are, and what the privacy implications are. My goal in writing this post is to address these questions and offer some simple, easy to understand answers.