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Discovering Deep Genetic Ancestry with DNA

Project Work In Progress by Herbert Holeman, PhD.

Draft Workpaper Posted .

To borrow a phrase, to know who you are, you have to know where your story began. DNA makes this possible. It is a substance, a chemical called deoxyribonucleic acid, and for more than three billion years, science writer, Sam Kean tells us DNA has been copying human history. Putting it another way, Oxford researcher, Dr. Simon Myers, comments "DNA really has the power to tell stories and uncover details of humanity's deep past using only genetic data, independent from other sources.

Simply put. Ancient DNA fills in the human past with data rather than inference. This is the perspective I hope to keep to tell the story of the world trail traveled through the ages by my deep genetic ancestors using biogeographical based DNA haplogroups.

A haplogroup traces my ancestral genetic line. It weaves a pattern of geographical migrations that reflects changes in my genome in the form of ancestral admixture. In essence, admixture results from people interbreeding, such as when a group of people from one geographic location migrate into a new location inhabited by people of another group.


As both groups have children together, their children's DNA becomes a mixture of the DNA from each admixing group. When subsequent generations repeat this process, the genomes of descendants contain pieces of DNA inherited from each admixing. Haplogroups are formed from sorting these remaining bits of DNA admixture and organizing them to reveal where our ancestors came from.

The haplogroup process can be likened to that experienced by clans. One such example is a reappraisal of the Viking image, many of whom were in actuality farmers with families seeking to migrate for a better life.


The study tells of the genetic legacy of modern diversity from paternal Y-DNA and maternal mtDNA in a population's gene pool. It reveals population admixture from male subjects whose patrilineal ancestry lay in Scandinavia and female subjects whose matrilineal descent lay within the British Isles.

The power of DNA becomes clear in study findings reported in 2020. The remains of several people buried as Vikings in Norway are actually closer genetically to East Asians than Europeans. Similarly, another haplogroup study examines the genetic imprints of the Mongolian clans on global ethnic admixture.


In revealing patterns of such human migration, the Human Genome Project reached out to indigenous populations who kept the link to the geography of their ancient historical past and concluded: "Your haplogroup is your branch on the human family tree. All people alive today belong to distinct haplogroups ... People belonging to the same haplogroup can trace their descent to a common ancestor and even a specific place where that ancestor may have lived."

Moreover, people with ancestors in common share their DNA with each other. That is, they share a common ancestor with other people that share the same DNA. This is what I am doing in these work pages. For me, tracing the line of my genetic ancestors and learning something about their world is the fun part of genetics. Figure 1 shows an illustration of tracing world ancestral lines by haplogroups.

Figure 1
Ancestral Lines
by Haplogroups

My research depicts the haplogroups unique to my ancestral line with a bit of milieu to put their genetic journey into context with their world.

Copyright © 2018 Herbert P. Holeman, Ph.D. All Rights Reserved.


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    Copyright © 2018 Herbert P. Holeman, Ph.D. All Rights Reserved.