First version of the DNA Segment Mapper is Released

So many people were trying to use my DNA chromosome mapper tool to look at a picture of their DNA relatives’ matching segments that I realized that another tool was needed to meet that demand. The first version of the new DNA segment mapping tool is ready. More information is at

Sample Output from the DNA Segment Mapper

Sample Output from the DNA Segment Mapper


The DNA Segment mapper can show the matching DNA from up to 40 people in a chromosome style chart. Here is what my Dad’s top 40 matches look like (names are removed). The first two are first and third cousins once removed.

There is a page under tools above with more complete description and documentation.

Leave a Reply

Your email address will not be published. Required fields are marked *