MtDNA lineage projects
From ISOGG Wiki
An mtDNA Lineage Project connects individuals who believe their direct line comes from a specific female. Using mitochondrial DNA, the mtDNA Lineage Projects are for individuals who order an mtDNA test and whose direct maternal line (mother's mother's mother's...) originates from that female. Both males and females can order the mtDNA test and participate in this type of project.