Genealogy Projects tagged with DNA Analysis Methods on the Geni Family Tree

Using autosomal DNA matches to build the World Tree

Background Biology Every human being has, inside every one of their cells, twenty-three pairs of chromosomes. These chromosomes are numbered from 1 to 22. The 23rd pair is special, consisting of a either a pair of "X" chromosomes, or an "X" and a "Y". These determine the biological sex of the person. We will not be considering either "X" or "Y" chromosomes in this discussion. They are organize...