Group Administration Page (GAP)

The Group Administration Page (GAP) is the user interface that FamilyTreeDNA Project Administrators use to manage Group Projects. The term GAP is also often used for Project Administrators.

Glacial Maximum

Glacial Maximum is the scientific term for the peak of an ice age.


The genetic makeup of an individual organism.


A genome is the entire complement of an organism's genetic material. This may refer to the DNA of a gamete, organelles (mitochondria and chloroplasts), organism, or species. The human nuclear genome is composed of 46 [...]


Genetics is the study of genes and heredity; the study of DNA.

Genetic Genealogy

Genetic genealogy is the use of your DNA to solve genealogy puzzles.