Male—Y/CS25
Our Y/CS25 provides reliable markers for tight genealogical connections, plus guaranteed placement of your Y chromosome (Y/CS) on the 'tree' of mankind.

Men pass their Y chromosome on to all of their sons from generation to generation. Historically speaking, all men descend from a single man who lived 60-70,000 years ago in Africa. Over time, his descendents branched out into many families. We test 25 markers on your Y chromosome and determine what branch in the Y-DNA family tree of mankind you belong to using the world's largest comparative database. If your branch cannot be confidently predicted, we will perform the additional testing necessary to determine it at no additional charge.

Because ethnic groups and tribal identities are fluid in Africa, African Americans often share genetic ancestry with more than one ethnic group. This reflects our rich genetic ancestry in Africa and that, because of migration and other factors, African Americans are not limited in their genetic heritage merely to one ethnic group. Migrations, tribal conflicts, and wars made our ancestors' DNA move across borders and between tribes. Only rarely will an African American match a single ethnic group. AfricanDNA informs you of all of the ethnicities your paternal lineage matches. This list will continue to update and grow as more ethnic groups are sampled in Africa.

Our historians and scholarly advisors use this information, in combination with historical evidence concerning the slave trade, to identify the region of Africa where your lineage most likely originated and to share information with you about that region and the ethnic groups found there. For more information, please see the maps and population tables on the Historical Overview page.

We include a certificate and personalized report with each order.

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Female-mtDNA
Female inheritable mitochondrial DNA (mtDNA) passes from the mother to all of her children, and from her daughters to their children, and so on in an unending genetic chain. Therefore you and your mother's sister's child have identical mtDNA.

Historically speaking, all people descend from a single woman who lived over 120,000 years ago in Africa. Over time, her descendents branched out into many families. In addition to sequencing 1116 base pair region of your mtDNA, we test you for 22 positions that identify which branch of the mtDNA family tree of mankind you belong to. The combination of these results provides geographical matches when compared against our African database.

Because ethnic groups and tribal identities are fluid in Africa, African Americans often share genetic ancestry with more than one ethnic group. This reflects our rich genetic ancestry in Africa and that, because of migration and other factors, African Americans are not limited in their genetic heritage merely to one ethnic group. Migrations, tribal conflicts, and wars made our ancestors' DNA move across borders and between tribes. Only rarely will an African American match a single ethnic group. AfricanDNA informs you of all of the ethnicities your maternal lineage matches. This list will continue to update and grow as more ethnic groups are sampled in Africa.

Our historians and scholarly advisors use this information, in combination with historical evidence concerning the slave trade, to identify the region of Africa where your lineage most likely originated and to share information with you about that region and the ethnic groups found there. For more information, please see the maps and population tables on the Historical Overview page.

We include a certificate and personalized report with each order.

order here

AfricanDNA is peerless among Genetic Genealogy companies for its ability to offer you a Genealogy Research starter package in combination with DNA testing. This package traces your direct paternal and direct maternal lineages back as far as records allow in the time allotted for the research. The research results will be included in your customized family lineage report.

While for many people, records are only available back to the 1870s, for others records are available to trace back even further. For some, the research may lead to ancestors in the American Revolution and induction into the SAR (Sons of the American Revolution), as was the case with our founder, Henry Louis Gates, Jr..

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what do i receive

All Y-DNA and mtDNA test results include:

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types of tests

We offer two premium DNA tests. A high resolution mtDNA test that looks at the mitochondria that we receive from our mothers is available for all test takers. Exclusively for males we offer a Y DNA test that looks at the male inherited Y chromosome (Y/CS). We also are able to provide a genealogy for the specific lineage that you are testing provided you supply us names of your most distant ancestor and we'll comb existing records to extend your genealogy back further in time.learn more

scientific papers

Explore the science behind African DNA, Genetics and Genealogy learn more